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Isambard Kingdom Brunel (; 9 April 1806 – 15 September 1859) was a British
civil engineer A civil engineer is a person who practices civil engineering – the application of planning, designing, constructing, maintaining, and operating infrastructure while protecting the public and environmental health, as well as improving existing ...
who is considered "one of the most ingenious and prolific figures in engineering history," "one of the 19th-century engineering giants," and "one of the greatest figures of the
Industrial Revolution The Industrial Revolution was the transition to new manufacturing processes in Great Britain, continental Europe, and the United States, that occurred during the period from around 1760 to about 1820–1840. This transition included going f ...
, hochanged the face of the English landscape with his groundbreaking designs and ingenious constructions." Brunel built dockyards, the
Great Western Railway The Great Western Railway (GWR) was a British railway company that linked London with the southwest, west and West Midlands of England and most of Wales. It was founded in 1833, received its enabling Act of Parliament on 31 August 1835 and ran ...
(GWR), a series of steamships including the first propeller-driven
transatlantic Transatlantic, Trans-Atlantic or TransAtlantic may refer to: Film * Transatlantic Pictures, a film production company from 1948 to 1950 * Transatlantic Enterprises, an American production company in the late 1970s * ''Transatlantic'' (1931 film ...
steamship A steamship, often referred to as a steamer, is a type of steam-powered vessel, typically ocean-faring and seaworthy, that is propelled by one or more steam engines that typically move (turn) propellers or paddlewheels. The first steamships ...
, and numerous important bridges and tunnels. His designs revolutionised public transport and modern engineering. Though Brunel's projects were not always successful, they often contained innovative solutions to long-standing engineering problems. During his career, Brunel achieved many engineering firsts, including assisting in the building of the first tunnel under a
navigable river A body of water, such as a river, canal or lake, is navigable if it is deep, wide and calm enough for a water vessel (e.g. boats) to pass safely. Such a navigable water is called a ''waterway'', and is preferably with few obstructions against dir ...
(the
River Thames The River Thames ( ), known alternatively in parts as the River Isis, is a river that flows through southern England including London. At , it is the longest river entirely in England and the second-longest in the United Kingdom, after the ...
) and the development of the , the first propeller-driven, ocean-going iron ship, which, when launched in 1843, was the largest ship ever built. On the GWR, Brunel set standards for a well-built railway, using careful surveys to minimise gradients and curves. This necessitated expensive construction techniques, new bridges, new viaducts, and the
Box Tunnel Box Tunnel passes through Box Hill on the Great Western Main Line (GWML) between Bath and Chippenham. The tunnel was the world's longest railway tunnel when it was completed in 1841. Built between December 1838 and June 1841 for the Great W ...
. One controversial feature was the "
broad gauge A broad-gauge railway is a railway with a track gauge (the distance between the rails) broader than the used by standard-gauge railways. Broad gauge of , commonly known as Russian gauge, is the dominant track gauge in former Soviet Union ( C ...
" of , instead of what was later to be known as "
standard gauge A standard-gauge railway is a railway with a track gauge of . The standard gauge is also called Stephenson gauge (after George Stephenson), International gauge, UIC gauge, uniform gauge, normal gauge and European gauge in Europe, and SGR in Ea ...
" of . He astonished Britain by proposing to extend the GWR westward to North America by building steam-powered, iron-hulled ships. He designed and built three ships that revolutionised naval engineering: the (1838), the (1843), and the (1859). In 2002, Brunel was placed second in a BBC public poll to determine the "
100 Greatest Britons ''100 Greatest Britons'' is a television series that was broadcast by the BBC in 2002. It was based on a television poll conducted to determine who the British people at that time considered the greatest Britons in history. The series included ...
." In 2006, the bicentenary of his birth, a major programme of events celebrated his life and work under the name ''Brunel 200''.


Early life

Isambard Kingdom Brunel was born on 9 April 1806 in Britain Street, Portsea,
Portsmouth Portsmouth ( ) is a port and city in the ceremonial county of Hampshire in southern England. The city of Portsmouth has been a unitary authority since 1 April 1997 and is administered by Portsmouth City Council. Portsmouth is the most d ...
,
Hampshire Hampshire (, ; abbreviated to Hants) is a ceremonial county, ceremonial and non-metropolitan county, non-metropolitan counties of England, county in western South East England on the coast of the English Channel. Home to two major English citi ...
, where his father was working on block-making machinery. He was named Isambard after his father, the French civil engineer Sir Marc Isambard Brunel, and Kingdom after his English mother, Sophia Kingdom. He had two elder sisters, Sophia, the eldest child, and Emma. The whole family moved to
London London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary dow ...
in 1808 for his father's work. Brunel had a happy childhood, despite the family's constant money worries, with his father acting as his teacher during his early years. His father taught him drawing and observational techniques from the age of four, and Brunel had learned
Euclidean geometry Euclidean geometry is a mathematical system attributed to ancient Greek mathematician Euclid, which he described in his textbook on geometry: the '' Elements''. Euclid's approach consists in assuming a small set of intuitively appealing axiom ...
by eight. During this time, he also learned to speak French fluently and the basic principles of engineering. He was encouraged to draw interesting buildings and identify any faults in their structure.Buchanan (2006), p. 18 When Brunel was eight, he was sent to Dr Morrell's boarding school in
Hove Hove is a seaside resort and one of the two main parts of the city of Brighton and Hove, along with Brighton in East Sussex, England. Originally a "small but ancient fishing village" surrounded by open farmland, it grew rapidly in the 19th cen ...
, where he learned
classics Classics or classical studies is the study of classical antiquity. In the Western world, classics traditionally refers to the study of Classical Greek and Roman literature and their related original languages, Ancient Greek and Latin. Class ...
. His father, a Frenchman by birth, was determined that Brunel should have access to the high-quality education he had enjoyed in his youth in France; accordingly, at the age of 14, the younger Brunel was enrolled first at the University of Caen, then at
Lycée Henri-IV The Lycée Henri-IV is a public secondary school located in Paris. Along with the Lycée Louis-le-Grand, it is widely regarded as one of the most prestigious and demanding sixth-form colleges ('' lycées'') in France. The school educates more th ...
in Paris.Brunel, Isambard (1870), p. 5. When Brunel was 15, his father, who had accumulated debts of over £5,000, was sent to a
debtors' prison A debtors' prison is a prison for people who are unable to pay debt. Until the mid-19th century, debtors' prisons (usually similar in form to locked workhouses) were a common way to deal with unpaid debt in Western Europe.Cory, Lucinda"A Histori ...
. After three months went by with no prospect of release, Marc Brunel let it be known that he was considering an offer from the
Tsar of Russia This is a list of all reigning monarchs in the history of Russia. It includes the princes of medieval Rus′ state (both centralised, known as Kievan Rus′ and feudal, when the political center moved northeast to Vladimir and finally to Mos ...
. In August 1821, facing the prospect of losing a prominent engineer, the government relented and issued Marc £5,000 to clear his debts in exchange for his promise to remain in Britain. When Brunel completed his studies at Henri-IV in 1822, his father had him presented as a candidate at the renowned engineering school
École Polytechnique École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine flowing in région Île-de-France * École, Sav ...
, but as a foreigner, he was deemed ineligible for entry. Brunel subsequently studied under the prominent master clockmaker and horologist
Abraham-Louis Breguet Abraham-Louis Breguet (10 January 1747 – 17 September 1823), born in Neuchâtel, then a Prussian principality, was a horologist who made many innovations in the course of a career in watchmaking industry. He was the founder of the Breguet ...
, who praised Brunel's potential in letters to his father. In late 1822, having completed his apprenticeship, Brunel returned to England.


Thames Tunnel

Brunel worked for several years as an assistant engineer on the project to create a tunnel under London's
River Thames The River Thames ( ), known alternatively in parts as the River Isis, is a river that flows through southern England including London. At , it is the longest river entirely in England and the second-longest in the United Kingdom, after the ...
between
Rotherhithe Rotherhithe () is a district of south-east London, England, and part of the London Borough of Southwark. It is on a peninsula on the south bank of the Thames, facing Wapping, Shadwell and Limehouse on the north bank, as well as the Isle of D ...
and
Wapping Wapping () is a district in East London in the London Borough of Tower Hamlets. Wapping's position, on the north bank of the River Thames, has given it a strong maritime character, which it retains through its riverside public houses and steps, ...
, with tunnellers driving a horizontal shaft from one side of the river to the other under the most difficult and dangerous conditions. The project was funded by the Thames Tunnel Company and Brunel's father, Marc, was the chief engineer. The ''American Naturalist'' said "It is stated also that the operations of the Teredo hipwormsuggested to Mr. Brunel his method of tunnelling the Thames." The composition of the riverbed at Rotherhithe was often little more than waterlogged sediment and loose gravel. An ingenious
tunnelling shield A tunnelling shield is a protective structure used during the excavation of large, man-made tunnels. When excavating through ground that is soft, liquid, or otherwise unstable, there is a potential health and safety hazard to workers and the pro ...
designed by Marc Brunel helped protect workers from cave-ins, but two incidents of severe flooding halted work for long periods, killing several workers and badly injuring the younger Brunel. The latter incident, in 1828, killed the two most senior miners, and Brunel himself narrowly escaped death. He was seriously injured and spent six months recuperating. The event stopped work on the tunnel for several years. Though the Thames Tunnel was eventually completed during Marc Brunel's lifetime, his son had no further involvement with the tunnel proper, only using the abandoned works at Rotherhithe to further his abortive ''Gaz'' experiments. This was based on an idea of his father's and was intended to develop into an engine that ran on power generated from alternately heating and cooling carbon dioxide made from ammonium carbonate and sulphuric acid. Despite interest from several parties (the Admiralty included) the experiments were judged by Brunel to be a failure on the grounds of fuel economy alone, and were discontinued after 1834. In 1865, the East London Railway Company purchased the Thames Tunnel for £200,000, and four years later the first trains passed through it. Subsequently, the tunnel became part of the London Underground system, and remains in use today, originally as part of the East London Line now incorporated into the
London Overground London Overground (also known simply as the Overground) is a suburban rail network serving London and its environs. Established in 2007 to take over Silverlink Metro routes, (via archive.org). it now serves a large part of Greater London as ...
.Bagust, Harold, "The Greater Genius?", 2006, Ian Allan Publishing, , (pp. 97–100)


Bridges

Brunel is perhaps best remembered for designs for the
Clifton Suspension Bridge The Clifton Suspension Bridge is a suspension bridge spanning the Avon Gorge and the River Avon, linking Clifton in Bristol to Leigh Woods in North Somerset. Since opening in 1864, it has been a toll bridge, the income from which provides fu ...
in Bristol, begun in 1831. The bridge was built to designs based on Brunel's, but with significant changes. Spanning over , and nominally above the River Avon, it had the longest span of any bridge in the world at the time of construction. Brunel submitted four designs to a committee headed by
Thomas Telford Thomas Telford FRS, FRSE, (9 August 1757 – 2 September 1834) was a Scottish civil engineer. After establishing himself as an engineer of road and canal projects in Shropshire, he designed numerous infrastructure projects in his native Scotlan ...
, but Telford rejected all entries, proposing his own design instead. Vociferous opposition from the public forced the organising committee to hold a new competition, which was won by Brunel. Afterwards, Brunel wrote to his brother-in-law, the politician
Benjamin Hawes Sir Benjamin Hawes (1797 – 15 May 1862) was a British Whig politician. Early life He was a grandson of William Hawes, founder of the Royal Humane Society, and son of Benjamin Hawes of New Barge House, Lambeth, who was a businessman and Fello ...
: "Of all the wonderful feats I have performed, since I have been in this part of the world, I think yesterday I performed the most wonderful. I produced unanimity among 15 men who were all quarrelling about that most ticklish subject—taste". Work on the Clifton bridge started in 1831, but was suspended due to the Queen Square riots caused by the arrival of Sir Charles Wetherell in Clifton. The riots drove away investors, leaving no money for the project, and construction ceased. Brunel did not live to see the bridge finished, although his colleagues and admirers at the
Institution of Civil Engineers The Institution of Civil Engineers (ICE) is an independent professional association for civil engineers and a charitable body in the United Kingdom. Based in London, ICE has over 92,000 members, of whom three-quarters are located in the UK, wh ...
felt it would be a fitting memorial, and started to raise new funds and to amend the design. Work recommenced in 1862, three years after Brunel's death, and was completed in 1864. In 2011, it was suggested, by historian and biographer Adrian Vaughan, that Brunel did not design the bridge, as eventually built, as the later changes to its design were substantial. His views reflected a sentiment stated fifty-two years earlier by
Tom Rolt Lionel Thomas Caswall Rolt (usually abbreviated to Tom Rolt or L. T. C. Rolt) (11 February 1910 – 9 May 1974) was a prolific English writer and the biographer of major civil engineering figures including Isambard Kingdom Brunel and Thomas Tel ...
in his 1959 book ''Brunel.'' Re-engineering of suspension chains recovered from an earlier suspension bridge was one of many reasons given why Brunel's design could not be followed exactly.
Hungerford Bridge The Hungerford Bridge crosses the River Thames in London, and lies between Waterloo Bridge and Westminster Bridge. Owned by Network Rail Infrastructure Ltd (who use its official name of Charing Cross Bridge) it is a steel truss railway brid ...
, a suspension footbridge across the Thames near Charing Cross Station in London, was opened in May 1845. Its central span was , and its cost was £106,000. It was replaced by a new railway bridge in 1859, and the suspension chains were used to complete the Clifton Suspension Bridge. The Clifton Suspension Bridge still stands, and over 4 million vehicles traverse it every year. Brunel designed many bridges for his railway projects, including the Royal Albert Bridge spanning the
River Tamar The Tamar (; kw, Dowr Tamar) is a river in south west England, that forms most of the border between Devon (to the east) and Cornwall (to the west). A part of the Tamar Valley is a World Heritage Site due to its historic mining activities. T ...
at
Saltash Saltash (Cornish: Essa) is a town and civil parish in south Cornwall, England, United Kingdom. It had a population of 16,184 in 2011 census. Saltash faces the city of Plymouth over the River Tamar and is popularly known as "the Gateway to Corn ...
near
Plymouth Plymouth () is a port city and unitary authority in South West England. It is located on the south coast of Devon, approximately south-west of Exeter and south-west of London. It is bordered by Cornwall to the west and south-west. Plymou ...
, Somerset Bridge (an unusual laminated timber-framed bridge near
Bridgwater Bridgwater is a large historic market town and civil parish in Somerset, England. Its population currently stands at around 41,276 as of 2022. Bridgwater is at the edge of the Somerset Levels, in level and well-wooded country. The town lies alo ...
), the Windsor Railway Bridge, and the
Maidenhead Railway Bridge Maidenhead Railway Bridge, also known as Maidenhead Viaduct and The Sounding Arch, carries the Great Western Main Line (GWML) over the River Thames between Maidenhead, Berkshire and Taplow, Buckinghamshire, England. It is a single structur ...
over the Thames in
Berkshire Berkshire ( ; in the 17th century sometimes spelt phonetically as Barkeshire; abbreviated Berks.) is a historic county in South East England. One of the home counties, Berkshire was recognised by Queen Elizabeth II as the Royal County of Ber ...
. This last was the flattest, widest brick arch bridge in the world and is still carrying main line trains to the west, even though today's trains are about ten times heavier than in Brunel's time. Throughout his railway building career, but particularly on the South Devon and
Cornwall Railway The Cornwall Railway was a broad gauge railway from Plymouth in Devon to Falmouth in Cornwall, England, built in the second half of the nineteenth century. It was constantly beset with shortage of capital for the construction, and was eventu ...
s where economy was needed and there were many valleys to cross, Brunel made extensive use of wood for the construction of substantial viaducts; these have had to be replaced over the years as their primary material, Kyanised Baltic Pine, became uneconomical to obtain. Brunel designed the Royal Albert Bridge in 1855 for the Cornwall Railway, after
Parliament In modern politics, and history, a parliament is a legislative body of government. Generally, a modern parliament has three functions: representing the electorate, making laws, and overseeing the government via hearings and inquiries. ...
rejected his original plan for a train ferry across the
Hamoaze The Hamoaze (; ) is an estuarine stretch of the tidal River Tamar, between its confluence with the River Lynher and Plymouth Sound, England. The name first appears as ''ryver of Hamose'' in 1588 and it originally most likely applied just to a ...
—the estuary of the tidal Tamar, Tavy and Lynher. The bridge (of ''bowstring girder'' or ''tied arch'' construction) consists of two main spans of , above mean high
spring tide Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide tables can ...
, plus 17 much shorter approach spans. Opened by Prince Albert on 2 May 1859, it was completed in the year of Brunel's death. Several of Brunel's bridges over the Great Western Railway might be demolished because the line is to be electrified, and there is inadequate clearance for overhead wires.
Buckinghamshire Buckinghamshire (), abbreviated Bucks, is a ceremonial county in South East England that borders Greater London to the south-east, Berkshire to the south, Oxfordshire to the west, Northamptonshire to the north, Bedfordshire to the north-east ...
County Council is negotiating to have further options pursued, in order that all nine of the remaining historic bridges on the line can be saved. Brunel's last major undertaking was the unique Three Bridges, London. Work began in 1856, and was completed in 1859. The three bridges in question are a clever arrangement allowing the routes of the
Grand Junction Canal The Grand Junction Canal is a canal in England from Braunston in Northamptonshire to the River Thames at Brentford, with a number of branches. The mainline was built between 1793 and 1805, to improve the route from the Midlands to London, by-p ...
, Great Western and Brentford Railway, and Windmill Lane to cross each other.


Great Western Railway

In the early part of Brunel's life, the use of railways began to take off as a major means of transport for goods. This influenced Brunel's involvement in railway engineering, including railway bridge engineering. In 1833, before the Thames Tunnel was complete, Brunel was appointed chief engineer of the
Great Western Railway The Great Western Railway (GWR) was a British railway company that linked London with the southwest, west and West Midlands of England and most of Wales. It was founded in 1833, received its enabling Act of Parliament on 31 August 1835 and ran ...
, one of the wonders of Victorian Britain, running from London to
Bristol Bristol () is a city, ceremonial county and unitary authority in England. Situated on the River Avon, it is bordered by the ceremonial counties of Gloucestershire to the north and Somerset to the south. Bristol is the most populous city in ...
and later
Exeter Exeter () is a city in Devon, South West England. It is situated on the River Exe, approximately northeast of Plymouth and southwest of Bristol. In Roman Britain, Exeter was established as the base of Legio II Augusta under the personal c ...
. The company was founded at a public meeting in Bristol in 1833, and was incorporated by
Act of Parliament Acts of Parliament, sometimes referred to as primary legislation, are texts of law passed by the legislative body of a jurisdiction (often a parliament or council). In most countries with a parliamentary system of government, acts of parliamen ...
in 1835. It was Brunel's vision that passengers would be able to purchase one ticket at London Paddington and travel from London to New York, changing from the Great Western Railway to the '' Great Western'' steamship at the terminus in Neyland, West Wales. He surveyed the entire length of the route between London and Bristol himself, with the help of many including his solicitor Jeremiah Osborne of Bristol Law Firm Osborne Clarke who on one occasion rowed Brunel down the River Avon himself to survey the bank of the river for the route. Brunel even designed the Royal Hotel in Bath which opened in 1846 opposite the railway station. Brunel made two controversial decisions: to use a
broad gauge A broad-gauge railway is a railway with a track gauge (the distance between the rails) broader than the used by standard-gauge railways. Broad gauge of , commonly known as Russian gauge, is the dominant track gauge in former Soviet Union ( C ...
of for the track, which he believed would offer superior running at high speeds; and to take a route that passed north of the Marlborough Downs—an area with no significant towns, though it offered potential connections to
Oxford Oxford () is a city in England. It is the county town and only city of Oxfordshire. In 2020, its population was estimated at 151,584. It is north-west of London, south-east of Birmingham and north-east of Bristol. The city is home to the ...
and
Gloucester Gloucester ( ) is a cathedral city and the county town of Gloucestershire in the South West of England. Gloucester lies on the River Severn, between the Cotswolds to the east and the Forest of Dean to the west, east of Monmouth and east of ...
—and then to follow the Thames Valley into London. His decision to use broad gauge for the line was controversial in that almost all British railways to date had used
standard gauge A standard-gauge railway is a railway with a track gauge of . The standard gauge is also called Stephenson gauge (after George Stephenson), International gauge, UIC gauge, uniform gauge, normal gauge and European gauge in Europe, and SGR in Ea ...
. Brunel said that this was nothing more than a carry-over from the mine railways that
George Stephenson George Stephenson (9 June 1781 – 12 August 1848) was a British civil engineer and mechanical engineer. Renowned as the "Father of Railways", Stephenson was considered by the Victorians a great example of diligent application and thirst fo ...
had worked on prior to making the world's first passenger railway. Brunel proved through both calculation and a series of trials that his broader gauge was the optimum size for providing both higher speedsPudney, John (1974). ''Brunel and His World''. Thames and Hudson. . and a stable and comfortable ride to passengers. In addition the wider gauge allowed for larger goods wagons and thus greater freight capacity. Drawing on Brunel's experience with the Thames Tunnel, the Great Western contained a series of impressive achievements—soaring
viaduct A viaduct is a specific type of bridge that consists of a series of arches, pier (architecture), piers or columns supporting a long elevated railway or road. Typically a viaduct connects two points of roughly equal elevation, allowing direct over ...
s such as the one in
Ivybridge Ivybridge is a town and civil parish in the South Hams, in Devon, England. It lies about east of Andy Hughes’ new house in Ivybridge now he’s forgotten Ugborough. It is at the southern extremity of Dartmoor, a National Park of England an ...
, specially designed stations, and vast tunnels including the
Box Tunnel Box Tunnel passes through Box Hill on the Great Western Main Line (GWML) between Bath and Chippenham. The tunnel was the world's longest railway tunnel when it was completed in 1841. Built between December 1838 and June 1841 for the Great W ...
, which was the longest railway tunnel in the world at that time. There is an anecdote claiming that the Box Tunnel was deliberately aligned so that the rising sun shines all the way through it on Brunel's birthday. The initial group of locomotives ordered by Brunel to his own specifications proved unsatisfactory, apart from the North Star locomotive, and 20-year-old
Daniel Gooch Sir Daniel Gooch, 1st Baronet (24 August 1816 – 15 October 1889) was an English railway locomotive and transatlantic cable engineer. He was the first Superintendent of Locomotive Engines on the Great Western Railway from 1837 to 1864 and ...
(later Sir Daniel) was appointed as Superintendent of Locomotive Engines. Brunel and Gooch chose to locate their locomotive works at the village of
Swindon Swindon () is a town and unitary authority with borough status in Wiltshire, England. As of the 2021 Census, the population of Swindon was 201,669, making it the largest town in the county. The Swindon unitary authority area had a population ...
, at the point where the gradual ascent from London turned into the steeper descent to the Avon valley at
Bath Bath may refer to: * Bathing, immersion in a fluid ** Bathtub, a large open container for water, in which a person may wash their body ** Public bathing, a public place where people bathe * Thermae, ancient Roman public bathing facilities Pla ...
. Brunel's achievements ignited the imagination of the technically minded Britons of the age, and he soon became quite notable in the country on the back of this interest. After Brunel's death, the decision was taken that standard gauge should be used for all railways in the country. At the original Welsh terminus of the Great Western railway at Neyland, sections of the broad gauge rails are used as handrails at the quayside, and information boards there depict various aspects of Brunel's life. There is also a larger-than-life bronze statue of him holding a steamship in one hand and a locomotive in the other. The statue has been replaced after an earlier theft. The present
London Paddington station Paddington, also known as London Paddington, is a Central London railway terminus and London Underground station complex, located on Praed Street in the Paddington area. The site has been the London terminus of services provided by the Great We ...
was designed by Brunel and opened in 1854. Examples of his designs for smaller stations on the Great Western and associated lines which survive in good condition include
Mortimer Mortimer () is an English surname, and occasionally a given name. Norman origins The surname Mortimer has a Norman origin, deriving from the village of Mortemer, Seine-Maritime, Normandy. A Norman castle existed at Mortemer from an early point ...
,
Charlbury Charlbury () is a town and civil parish in the Evenlode valley, about north of Witney in the West Oxfordshire district of Oxfordshire, England. It is on the edge of Wychwood Forest and the Cotswolds. The 2011 Census recorded the parish's pop ...
and
Bridgend Bridgend (; cy, Pen-y-bont ar Ogwr or just , meaning "the end of the bridge on the Ogmore") is a town in Bridgend County Borough in Wales, west of Cardiff and east of Swansea. The town is named after the medieval bridge over the River Ogmo ...
(all
Italianate The Italianate style was a distinct 19th-century phase in the history of Classical architecture. Like Palladianism and Neoclassicism, the Italianate style drew its inspiration from the models and architectural vocabulary of 16th-century Italia ...
) and Culham ( Tudorbethan). Surviving examples of wooden
train shed A train shed is a building adjacent to a station building where the tracks and platforms of a railway station are covered by a roof. It is also known as an overall roof. Its primary purpose is to store and protect from the elements train car ...
s in his style are at
Frome Frome ( ) is a town and civil parish in eastern Somerset, England. The town is built on uneven high ground at the eastern end of the Mendip Hills, and centres on the River Frome. The town, about south of Bath, is the largest in the Mendip d ...
and
Kingswear Kingswear is a village and civil parish in the South Hams area of the English county of Devon. The village is located on the east bank of the tidal River Dart, close to the river's mouth and opposite the small town of Dartmouth. It lies within ...
. The Swindon Steam Railway Museum has many artefacts from Brunel's time on the Great Western Railway. The
Didcot Railway Centre Didcot Railway Centre is a railway museum and preservation engineering site in Didcot, Oxfordshire, England. The site was formerly a Great Western Railway engine shed and locomotive stabling point. Background The founders and commercial backers ...
has a reconstructed segment of track as designed by Brunel and working steam locomotives in the same gauge. Parts of society viewed the railways more negatively. Some landowners felt the railways were a threat to amenities or property values and others requested tunnels on their land so the railway could not be seen.


Brunel's "atmospheric caper"

Though unsuccessful, another of Brunel's interesting use of technical innovations was the
atmospheric railway An atmospheric railway uses differential air pressure to provide power for propulsion of a railway vehicle. A static power source can transmit motive power to the vehicle in this way, avoiding the necessity of carrying mobile power generating eq ...
, the extension of the Great Western Railway (GWR) southward from Exeter towards
Plymouth Plymouth () is a port city and unitary authority in South West England. It is located on the south coast of Devon, approximately south-west of Exeter and south-west of London. It is bordered by Cornwall to the west and south-west. Plymou ...
, technically the South Devon Railway (SDR), though supported by the GWR. Instead of using
locomotive A locomotive or engine is a rail transport vehicle that provides the motive power for a train. If a locomotive is capable of carrying a payload, it is usually rather referred to as a multiple unit, motor coach, railcar or power car; t ...
s, the trains were moved by Clegg and Samuda's patented system of atmospheric (
vacuum A vacuum is a space devoid of matter. The word is derived from the Latin adjective ''vacuus'' for "vacant" or " void". An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure. Physicists often di ...
) traction, whereby stationary pumps sucked the air from a pipe placed in the centre of the track. The section from Exeter to Newton (now
Newton Abbot Newton Abbot is a market town and civil parish on the River Teign in the Teignbridge District of Devon, England. Its 2011 population of 24,029 was estimated to reach 26,655 in 2019. It grew rapidly in the Victorian era as the home of the Sou ...
) was completed on this principle, and trains ran at approximately .Dumpleton and Miller (2002), p. 22 Pumping stations with distinctive square chimneys were sited at two-mile intervals. Fifteen-inch (381 mm) pipes were used on the level portions, and pipes were intended for the steeper gradients. The technology required the use of leather flaps to seal the vacuum pipes. The natural oils were drawn out of the leather by the vacuum, making the leather vulnerable to water, rotting it and breaking the fibres when it froze during the winter of 1847. It had to be kept supple with
tallow Tallow is a rendered form of beef or mutton fat, primarily made up of triglycerides. In industry, tallow is not strictly defined as beef or mutton fat. In this context, tallow is animal fat that conforms to certain technical criteria, includi ...
, which is attractive to
rat Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus '' Rattus''. Other rat genera include ''Neotoma'' (pack rats), ''Bandicota'' (bandicoo ...
s. The flaps were eaten, and vacuum operation lasted less than a year, from 1847 (experimental service began in September; operations from February 1848) to 10 September 1848. Deterioration of the valve due to the reaction of
tannin Tannins (or tannoids) are a class of astringent, polyphenolic biomolecules that bind to and precipitate proteins and various other organic compounds including amino acids and alkaloids. The term ''tannin'' (from Anglo-Norman ''tanner'', ...
and
iron oxide Iron oxides are chemical compounds composed of iron and oxygen. Several iron oxides are recognized. All are black magnetic solids. Often they are non-stoichiometric. Oxyhydroxides are a related class of compounds, perhaps the best known of which ...
has been cited as the last straw that sank the project, as the continuous valve began to tear from its rivets over most of its length, and the estimated replacement cost of £25,000 was considered prohibitive. The system never managed to prove itself. The accounts of the SDR for 1848 suggest that atmospheric traction cost 3s 1d (three shillings and one penny) per mile compared to 1s 4d/mile for conventional steam power (because of the many operating issues associated with the atmospheric, few of which were solved during its working life, the actual cost efficiency proved impossible to calculate). Several South Devon Railway engine houses still stand, including that at
Totnes Totnes ( or ) is a market town and civil parish at the head of the estuary of the River Dart in Devon, England, within the South Devon Area of Outstanding Natural Beauty. It is about west of Paignton, about west-southwest of Torquay and abou ...
(scheduled as a grade II listed monument in 2007) and at
Starcross Starcross is a village with a 2011 census recorded population of 1,737 situated on the west shore of the Exe Estuary in Teignbridge in the English county of Devon. The village is popular in summer with leisure craft, and is home to one of the ...
. A section of the pipe, without the leather covers, is preserved at the
Didcot Railway Centre Didcot Railway Centre is a railway museum and preservation engineering site in Didcot, Oxfordshire, England. The site was formerly a Great Western Railway engine shed and locomotive stabling point. Background The founders and commercial backers ...
. In 2017, inventor Max Schlienger unveiled a working model of an updated atmospheric railroad at his vineyard in the Northern California town of Ukiah.


Transatlantic shipping

Brunel had proposed extending its transport network by boat from Bristol across the Atlantic Ocean to New York City before the Great Western Railway opened in 1835. The Great Western Steamship Company was formed by Thomas Guppy for that purpose. It was widely disputed whether it would be commercially viable for a ship powered purely by steam to make such long journeys. Technological developments in the early 1830s—including the invention of the
surface condenser A surface condenser is a water-cooled shell and tube heat exchanger installed to condense exhaust steam from a steam turbine in thermal power stations. These condensers are heat exchangers which convert steam from its gaseous to its liquid state ...
, which allowed boilers to run on salt water without stopping to be cleaned—made longer journeys more possible, but it was generally thought that a ship would not be able to carry enough fuel for the trip and have room for commercial cargo. Brunel applied the experimental evidence of Mark Beaufoy, Beaufoy and further developed the theory that the amount a ship could carry increased as the cube of its dimensions, whereas the amount of resistance a ship experienced from the water as it travelled increased by only a square of its dimensions. This would mean that moving a larger ship would take proportionately less fuel than a smaller ship. To test this theory, Brunel offered his services for free to the Great Western Steamship Company, which appointed him to its building committee and entrusted him with designing its first ship, the .Beckett (2006), pp. 171–73 When it was built, the ''Great Western'' was the longest ship in the world at with a keel. The ship was constructed mainly from wood, but Brunel added bolts and iron diagonal reinforcements to maintain the keel's strength. In addition to its steam-powered paddle wheels, the ship carried four masts for sails. The ''Great Western'' embarked on her maiden voyage from Avonmouth, Bristol, to New York on 8 April 1838 with of coal, cargo and seven passengers on board. Brunel himself missed this initial crossing, having been injured during a fire aboard the ship as she was returning from fitting out in London. As the fire delayed the launch several days, the ''Great Western'' missed its opportunity to claim the title as the first ship to cross the Atlantic under steam power alone. Even with a four-day Head start (positioning), head start, the competing arrived only one day earlier, having virtually exhausted its coal supply. In contrast, the ''Great Western'' crossing of the Atlantic took 15 days and five hours, and the ship arrived at her destination with a third of its coal still remaining, demonstrating that Brunel's calculations were correct. The ''Great Western'' had proved the viability of commercial transatlantic steamship service, which led the Great Western Steamboat Company to use her in regular service between Bristol and New York from 1838 to 1846. She made 64 crossings, and was the first ship to hold the Blue Riband with a crossing time of 13 days westbound and 12 days 6 hours eastbound. The service was commercially successful enough for a sister ship to be required, which Brunel was asked to design. Brunel had become convinced of the superiority of propeller#Marine, propeller-driven ships over paddle wheels. After tests conducted aboard the propeller-driven steamship , he incorporated a large six-bladed propeller into his design for the , which was launched in 1843. ''Great Britain'' is considered the first modern ship, being built of metal rather than wood, powered by an engine rather than wind or oars, and driven by propeller rather than paddle wheel. She was the first iron-hulled, propeller-driven ship to cross the Atlantic Ocean. Her maiden voyage was made in August and September 1845, from Liverpool to New York. In 1846, she was run aground at Dundrum, County Down. She was salvaged and employed in the SS Great Britain#Australian service, Australian service. She is currently fully preserved and open to the public in Bristol, UK. In 1852 Brunel turned to a third ship, larger than her predecessors, intended for voyages to India and Australia. The (originally dubbed ''Leviathan'') was cutting-edge technology for her time: almost long, fitted out with the most luxurious appointments, and capable of carrying over 4,000 passengers. ''Great Eastern'' was designed to cruise non-stop from London to Sydney and back (since engineers of the time mistakenly believed that Australia had no coal reserves), and she remained the largest ship built until the start of the 20th century. Like many of Brunel's ambitious projects, the ship soon ran over budget and behind schedule in the face of a series of technical problems. The ship has been portrayed as a white elephant, but it has been argued by David P. Billington that in this case, Brunel's failure was principally one of economics—his ships were simply years ahead of their time. His vision and engineering innovations made the building of large-scale, propeller-driven, all-metal steamships a practical reality, but the prevailing economic and industrial conditions meant that it would be several decades before transoceanic steamship travel emerged as a viable industry. ''Great Eastern'' was built at John Scott Russell's Napier Yard, Millwall, Napier Yard in London, and after two trial trips in 1859, set forth on her maiden voyage from Southampton to New York on 17 June 1860. Though a failure at her original purpose of passenger travel, she eventually found a role as an oceanic telegraph cable layer, cable-layer. Under Captain Sir James Anderson, the ''Great Eastern'' played a significant role in laying the first lasting transatlantic telegraph cable, which enabled telecommunication between Europe and North America.


Renkioi Hospital

Britain entered into the Crimean War during 1854 and an old Turkish barracks became the British Army Hospital in Selimiye Barracks, Scutari. Injured men contracted a variety of illnesses—including cholera, dysentery, typhoid and malaria—due to poor conditions there, and Florence Nightingale sent a plea to ''The Times'' for the government to produce a solution. Brunel was working on the ''Great Eastern'' amongst other projects but accepted the task in February 1855 of designing and building the War Office requirement of a temporary, Prefabrication, pre-fabricated hospital that could be shipped to Crimea and erected there. In five months the team he had assembled designed, built, and shipped pre-fabricated wood and canvas buildings, providing them complete with advice on transportation and positioning of the facilities. Brunel had been working with Gloucester Docks-based William Eassie on the launching stage for the ''Great Eastern''. Eassie had designed and built wooden prefabricated huts used in both the Australian gold rush, as well as by the British and French Armies in the Crimea. Using wood supplied by timber importers Price & Co., Eassie fabricated 18 of the 50-patient wards designed by Brunel, shipped directly via 16 ships from Gloucester Docks to the Dardanelles. The Renkioi Hospital was subsequently erected near Scutari Hospital, where Nightingale was based, in the malaria-free area of Renkioi.. ''Hospital Development Magazine''. 10 November 2005. Retrieved 22 September 2009. His designs incorporated the necessities of hygiene: access to sanitation, ventilation, drainage, and even rudimentary temperature controls. They were feted as a great success, with some sources stating that of the approximately 1,300 patients treated in the hospital, there were only 50 deaths. In the Scutari hospital it replaced, deaths were said to be as many as ten times this number. Nightingale referred to them as "those magnificent huts". The practice of building hospitals from pre-fabricated modules survives today, with hospitals such as the Bristol Royal Infirmary being created in this manner.


Personal life

On 10 June 1830 Brunel was elected a Fellow of the Royal Society. Brunel married Mary Elizabeth Horsley (b. 1813) on 5 July 1836. She came from an accomplished musical and artistic family, being the eldest daughter of composer and organist William Horsley. They established a home at Duke Street, Westminster, in London. While performing a magic trick, conjuring trick for the amusement of his children in 1843 Brunel accidentally inhaled a Half sovereign, half-sovereign coin, which became lodged in his windpipe. A special pair of forceps failed to remove it, as did a machine devised by Brunel to shake it loose. At the suggestion of his father, Brunel was strapped to a board and turned upside-down, and the coin was jerked free. He recuperated at Teignmouth, and enjoyed the area so much that he purchased an estate at Watcombe in Torquay, Devon. Here he commissioned William Burn to design Brunel Manor and its gardens to be his country home. He never saw the house or gardens finished as he died before it was completed. Brunel, a heavy smoker, who had been diagnosed with Bright's disease (nephritis), suffered a stroke on 5 September 1859, just before the ''Great Eastern'' made her first voyage to New York. He died ten days later at the age of 53 and was buried, like his father, in Kensal Green Cemetery, London. He is commemorated at Westminster Abbey in a window on the south side of the nave. Many mourned Brunel's passing, in spite and because of his business ventures; an obituary in ''The Morning Chronicle'' noted:
Brunel was the right man for the nation, but unfortunately, he was not the right man for the shareholders. They must stoop who must gather gold, and Brunel could never stoop. The history of invention records no instance of grand novelties so boldly imagined and so successfully carried out by the same individual.
Brunel was survived by his wife, Mary, and three children: Isambard Brunel Junior (1837–1902), Henry Marc Brunel (1842–1903) and Florence Mary Brunel (1847–1876). Henry Marc later became a successful
civil engineer A civil engineer is a person who practices civil engineering – the application of planning, designing, constructing, maintaining, and operating infrastructure while protecting the public and environmental health, as well as improving existing ...
.


Legacy

A celebrated engineer in his era, Brunel remains revered today, as evidenced by numerous monuments to him. There are statues in London at Temple tube station, Temple (pictured), Brunel University and Paddington station, and in Bristol, Plymouth, Swindon, Milford Haven and Saltash. A statue in Neyland in Pembrokeshire in Wales was stolen in August 2010. The topmast of the ''Great Eastern'' is used as a flagpole at the entrance to Anfield, Liverpool Football Club's ground. Contemporary locations bear Brunel's name, such as Brunel University in London, shopping centres in
Swindon Swindon () is a town and unitary authority with borough status in Wiltshire, England. As of the 2021 Census, the population of Swindon was 201,669, making it the largest town in the county. The Swindon unitary authority area had a population ...
and also Bletchley, Milton Keynes, and a collection of streets in Exeter: Isambard Terrace, Kingdom Mews, and Brunel Close. A road, car park, and school in his home city of Portsmouth are also named in his honour, along with one of the city's largest public houses. There is an engineering lab building at the University of Plymouth named in his honour. A public poll conducted by the BBC in 2001 to select the
100 Greatest Britons ''100 Greatest Britons'' is a television series that was broadcast by the BBC in 2002. It was based on a television poll conducted to determine who the British people at that time considered the greatest Britons in history. The series included ...
, Brunel was placed second, behind Winston Churchill. Brunel's life and works have been depicted in numerous books, films and television programs. The 2003 book and BBC TV series ''Seven Wonders of the Industrial World'' included a dramatisation of the building of the ''Great Eastern''. Many of Brunel's bridges are still in use. Brunel's first engineering project, the Thames Tunnel, is now part of the
London Overground London Overground (also known simply as the Overground) is a suburban rail network serving London and its environs. Established in 2007 to take over Silverlink Metro routes, (via archive.org). it now serves a large part of Greater London as ...
network. The Brunel Engine House at Rotherhithe, which once housed the steam engines that powered the tunnel pumps, now houses the Brunel Museum dedicated to the work and lives of Henry Marc and Isambard Kingdom Brunel. Many of Brunel's original papers and designs are now held in the Brunel Institute alongside the in Bristol, and are freely available for researchers and visitors. Brunel is credited with turning the town of Swindon into one of the fastest-growing towns in Europe during the 19th century. Brunel's choice to locate the Great Western Railway locomotive sheds there caused a need for housing for the workers, which in turn gave Brunel the impetus to build hospitals, churches and housing estates in what is known today as the 'Railway Village'. According to some sources, Brunel's addition of a Mechanics Institute for recreation and hospitals and clinics for his workers gave Aneurin Bevan the basis for the creation of the National Health Service. GWR 4073 Class, GWR Castle Class steam locomotive no. 5069 was named ''Isambard Kingdom Brunel'', after the engineer; and Western Region of British Railways, BR Western Region British Rail Class 47, class 47 diesel locomotive no. D1662 (later 47484) was also named ''Isambard Kingdom Brunel''. GWR's successor Great Western Railway (train operating company), Great Western Railway has named both its old British Rail Class 43 (HST), InterCity 125 power car 43003 and new British Rail Class 800, InterCity Electric Train 800004 as ''Isambard Kingdom Brunel''. The Royal Mint struck two £2 coins in 2006 to "celebrate the 200th anniversary of Isambard Kingdom Brunel and his achievements". The first depicts Brunel with a section of the Royal Albert Bridge and the second shows the roof of Paddington Station. In the same year the Post Office issued a set of six wide commemorative stamps (SG 2607-12) showing the Royal Albert Bridge, the
Box Tunnel Box Tunnel passes through Box Hill on the Great Western Main Line (GWML) between Bath and Chippenham. The tunnel was the world's longest railway tunnel when it was completed in 1841. Built between December 1838 and June 1841 for the Great W ...
, Paddington Station, the ''Great Eastern,'' the
Clifton Suspension Bridge The Clifton Suspension Bridge is a suspension bridge spanning the Avon Gorge and the River Avon, linking Clifton in Bristol to Leigh Woods in North Somerset. Since opening in 1864, it has been a toll bridge, the income from which provides fu ...
, and the Maidenhead Bridge. The words "I.K. BRUNEL ENGINEER 1859" were fixed to either end of the Royal Albert Bridge to commemorate his death in 1859, the year the bridge opened. The words were later partly obscured by maintenance access ladders but were revealed again by Network Rail in 2006 to honour his bicentenary. Brunel was the subject of ''Great (1975 film), Great'', a 1975 animated film directed by Bob Godfrey. It won the Academy Award for Best Animated Short Film at the 48th Academy Awards in March 1976. At the 2012 Summer Olympics opening ceremony, Brunel was portrayed by Kenneth Branagh in a segment showing the
Industrial Revolution The Industrial Revolution was the transition to new manufacturing processes in Great Britain, continental Europe, and the United States, that occurred during the period from around 1760 to about 1820–1840. This transition included going f ...
. Brunel is a central character in Howard Rodman's novel The Great Eastern (Rodman novel), ''The Great Eastern'', published in 2019 by Melville House Publishing.


See also

* Lindsey House – Brunel's childhood home * Two Tunnel Boring Machines (TBMs) used by Crossrail#Tunnel boring machines, Crossrail were named for Brunel's wife Mary and his mother Sophia.


Footnotes


Notes


References

* Only the first of a planned three volumes was published * * * (This is Isambard Brunel Junior, IKB's son.) * * * * * * * * * (373 pages) Online at Internet Archive * * * *


Further reading

* Written by Brunel's son * Written by Brunel's granddaughter, it adds some family anecdotes and personal information over the previous volume * A technical presentation of Brunel's opus * A study of how early photography portrayed Victorian industry and engineering, including the celebrated picture of Brunel and the launching chains of the ''Great Eastern'' * * * * * *


External links

*
The life of Isambard Kingdom Brunel, Civil Engineer
' by Isambard Brunel Junior, at Project Gutenberg * * ''The Times'' 19 September 1859
Brunel biography with additional images
from the Design Museum *
Brunel portal
* * * {{DEFAULTSORT:Brunel, Isambard Kingdom 1806 births 1859 deaths Isambard Kingdom Brunel, English civil engineers British bridge engineers British railway pioneers 19th-century British inventors People of the Industrial Revolution British naval architects British railway civil engineers Structural engineers Viaduct engineers Architectural designers Great Western Railway people, . Fellows of the Royal Society Isambard Kingdom Brunel buildings and structures, 01 People associated with Brunel University London, . People from Portsea, Portsmouth Engineers from Portsmouth English people of French descent Lycée Henri-IV alumni Burials at Kensal Green Cemetery Deaths from nephritis Great Western Railway 19th-century British engineers 19th-century English architects Architects from Portsmouth Businesspeople from Portsmouth