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John Purser (mathematician)
John Purser (1835–1903) was an Irish mathematician, who was professor at Queen's College, Belfast. Life and work Son of John Tertius Purser (1809–1893), the general manager of the well known brewery Guinness, Purser was educated in a wealthy family, which included artists, as his cousin Sarah Purser, or engineers, as his brother-in-law John Purser Griffith. He was the brother of mathematician Frederick Purser. He studied in Trinity College, Dublin, graduating BA in mathematics in 1856. The following years Purser was tutor to the children of Lord Rosse, Lawrence and Charles. In 1863, he was appointed professor of mathematics at Queen's College, Belfast, he was in place until his retirement in 1901. Purser is much better known as a teacher than as a researcher,, MacTutor History of Mathematics. and he had a good number of notable students, including Sir Joseph Larmor, theoretical physicist who served as Lucasian Professor of Mathematics at the University of Cambridge; Charl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sarah Purser
Sarah Henrietta Purser RHA (22 March 1848 – 7 August 1943) was an Irish artist mainly noted for her work with stained glass. Biography Purser was born in Kingstown (now Dún Laoghaire) in County Dublin, and raised in Dungarvan, County Waterford. She was one of the numerous children of Benjamin Purser, a prosperous flour miller and brewer, and his wife Anne Mallet. She was related to Sir Frederic W. Burton, RHA (1816-1900), who was a son of Hannah Mallet. The Purser family had come to Ireland from Gloucestershire in the eighteenth century. Two of her brothers, John and Louis, became professors at Trinity College Dublin. Her niece, Olive Purser, daughter of her brother Alfred, was the first woman scholar in TCD. Until her death, Purser lived for many years in Mespil House, a Georgian mansion with beautiful plaster ceilings on Mespil Road, on the banks of the Grand Canal. Here she was "at home" every Tuesday afternoon to Dublin's writers and artists; her afternoon parties ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guinness
Guinness () is an Irish dry stout that originated in the brewery of Arthur Guinness at St. James's Gate, Dublin, Ireland, in 1759. It is one of the most successful alcohol brands worldwide, brewed in almost 50 countries, and available in over 120. Sales in 2011 amounted to . In spite of declining consumption since 2001, it is the best-selling alcoholic drink in Ireland where Guinness & Co. Brewery makes almost €2 billion worth of beer annually. The Guinness Storehouse is a tourist attraction at St. James's Gate Brewery in Dublin, Ireland. Since opening in 2000, it has received over 20 million visitors. Guinness's flavour derives from malted barley and roasted unmalted barley, a relatively modern development, not becoming part of the grist until the mid-20th century. For many years, a portion of aged brew was blended with freshly brewed beer to give a sharp lactic acid flavour. Although Guinness's palate still features a characteristic "tang", the company has refused to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
19th-century Irish Mathematicians
The 19th (nineteenth) century began on 1 January 1801 ( MDCCCI), and ended on 31 December 1900 ( MCM). The 19th century was the ninth century of the 2nd millennium. The 19th century was characterized by vast social upheaval. Slavery was abolished in much of Europe and the Americas. The First Industrial Revolution, though it began in the late 18th century, expanding beyond its British homeland for the first time during this century, particularly remaking the economies and societies of the Low Countries, the Rhineland, Northern Italy, and the Northeastern United States. A few decades later, the Second Industrial Revolution led to ever more massive urbanization and much higher levels of productivity, profit, and prosperity, a pattern that continued into the 20th century. The Islamic gunpowder empires fell into decline and European imperialism brought much of South Asia, Southeast Asia, and almost all of Africa under colonial rule. It was also marked by the collapse of the large S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lucasian Professor Of Mathematics
The Lucasian Chair of Mathematics () is a mathematics professorship in the University of Cambridge, England; its holder is known as the Lucasian Professor. The post was founded in 1663 by Henry Lucas, who was Cambridge University's Member of Parliament in 1639–1640, and it was officially established by King Charles II on 18 January 1664. It was described by ''The Daily Telegraph'' as one of the most prestigious academic posts in the world. Since its establishment, the professorship has been held by, among others, Isaac Newton, Charles Babbage, George Stokes, Joseph Larmor, Paul Dirac, and Stephen Hawking. History Henry Lucas, in his will, bequeathed his library of 4,000 volumes to the university and left instructions for the purchase of land whose yielding should provide £100 a year for the founding of a professorship. Babbage applied for the vacancy in 1826, after Turton, but Airy was appointed. William Whewell (who considered applying, but preferred both Hersc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Algernon Parsons
Sir Charles Algernon Parsons, (13 June 1854 – 11 February 1931) was an Anglo-Irish engineer, best known for his invention of the compound steam turbine, and as the eponym of C. A. Parsons and Company. He worked as an engineer on dynamo and turbine design, and power generation, with great influence on the naval and electrical engineering fields. He also developed optical equipment for searchlights and telescopes. Career and commercial activity Parsons was born into an Anglo-Irish family in London as the youngest son of the famous astronomer William Parsons, 3rd Earl of Rosse. (The family seat is Birr Castle, County Offaly, Ireland, and the town of Birr was called Parsonstown, after the family, from 1620 to 1901.) With his three brothers, Parsons was educated at home in Ireland by private tutors (including John Purser), all of whom were well versed in the sciences and also acted as practical assistants to the Earl in his astronomical work. (One of them later bec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lawrence Parsons, 4th Earl Of Rosse
Lawrence Parsons, 4th Earl of Rosse, KP, FRS (17 November 1840 – 29 August 1908) was a member of the Irish peerage and an amateur astronomer. His name is often given as Laurence Parsons. Biography He was born at Birr Castle, Parsonstown, King's County, Ireland, the son and heir of the astronomer William Parsons, 3rd Earl of Rosse who built the "Leviathan of Parsonstown" telescope, largest of its day, and his wife, the Countess of Rosse (née Mary Field), an amateur astronomer and pioneering photographer. Lawrence succeeded his father in 1867 and was educated first at home by tutors, like John Purser, and after at Trinity College Dublin and Oxford University. He was the brother of Charles Algernon Parsons, inventor of the steam turbine. He served as the eighteenth Chancellor of Trinity College, Dublin between 1885 and 1908. His father served as the sixteenth Chancellor. He was Lord Lieutenant of King's County and Custos Rotulorum of King's County from 1892 to his death. He w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William Parsons, 3rd Earl Of Rosse
William Parsons, 3rd Earl of Rosse (17 June 1800 – 31 October 1867), was an Irish astronomer, naturalist, and engineer. He was president of the Royal Society (UK), the most important association of naturalists in the world in the nineteenth century. He built several giant telescopes. His 72-inch telescope, built in 1845 and colloquially known as the "Leviathan of Parsonstown", was the world's largest telescope, in terms of aperture size, until the early 20th century. From April 1807 until February 1841, he was styled as Baron Oxmantown. Life He was born in York, England, the son of Sir Lawrence Parsons, later 2nd Earl of Rosse, and Alice Lloyd. He was educated at Trinity College Dublin and Magdalen College, Oxford, graduating with first-class honours in mathematics in 1822. He inherited an earldom and a large estate in King's County (now County Offaly) in Ireland when his father, Lawrence, 2nd Earl of Rosse, died in February 1841. Lord Rosse married Mary Field, daughter o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Frederick Purser
Frederick Purser (1839–30 January 1910) was an Irish mathematician, author, and member of the Royal Irish Academy. He was a younger brother to mathematician John Purser. Life and career Born in Dublin, Frederick attended a boarding school run by his uncle Richard Biggs in Wiltshire, England, then attended Trinity College Dublin (TCD), where he was Scholar (1859), and got BA (1860) and MA (1864). He was elected a Fellow there in 1879. He was appointed Professor of Natural Philosophy in 1902 and served in the role until his death. He contributed articles to the 1911 Encyclopedia Britannica An encyclopedia (American English) or encyclopædia (British English) is a reference work or compendium providing summaries of knowledge either general or special to a particular field or discipline. Encyclopedias are divided into articl .... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Purser Griffith
Sir John Purser Griffith (5 October 1848 – 21 October 1938) was a Welsh-born Irish civil engineer and politician. Griffith was educated at Trinity College Dublin, and gained a licence in civil engineering in 1868. He served a two-year apprenticeship under Dr Bindon Blood Stoney, the Engineer in Chief of the Dublin Port and Docks, before working as assistant to the county surveyor of County Antrim. He returned to Dublin in 1871 and worked as Dr. Stoney's assistant, becoming the Chief Engineer in 1898 before retiring in 1913. He served as president of the Institution of Civil Engineers in Ireland between 1887 and 1889 and of the Institution of Civil Engineers between 1919 and 1920. He was elected Commissioner of Irish Lights in 1913 and was a member of the Royal Commission on Canals and Waterways between 1906 and 1911. Griffith purchased and drained the bogland at Pollagh, part of the Bog of Allen, a peat fuelled power station was built which drove an excavator, excess ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mathematician
A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History One of the earliest known mathematicians were Thales of Miletus (c. 624–c.546 BC); he has been hailed as the first true mathematician and the first known individual to whom a mathematical discovery has been attributed. He is credited with the first use of deductive reasoning applied to geometry, by deriving four corollaries to Thales' Theorem. The number of known mathematicians grew when Pythagoras of Samos (c. 582–c. 507 BC) established the Pythagorean School, whose doctrine it was that mathematics ruled the universe and whose motto was "All is number". It was the Pythagoreans who coined the term "mathematics", and with whom the study of mathematics for its own sake begins. The first woman mathematician recorded by history was Hypati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dublin
Dublin (; , or ) is the capital and largest city of Republic of Ireland, Ireland. On a bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2016 census of Ireland, 2016 census it had a population of 1,173,179, while the preliminary results of the 2022 census of Ireland, 2022 census recorded that County Dublin as a whole had a population of 1,450,701, and that the population of the Greater Dublin Area was over 2 million, or roughly 40% of the Republic of Ireland's total population. A settlement was established in the area by the Gaels during or before the 7th century, followed by the Vikings. As the Kings of Dublin, Kingdom of Dublin grew, it became Ireland's principal settlement by the 12th century Anglo-Norman invasion of Ireland. The city expanded rapidly from the 17th century and was briefly the second largest in the British Empire and sixt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William McFadden Orr
250px William McFadden Orr, FRS (2 May 1866 – 14 August 1934) was a British and Irish mathematician. He was born in Comber, County Down and educated at Methodist College Belfast and Queen's College, Belfast under John Purser, before entering St John's College, Cambridge and graduating as Senior Wrangler in 1888. He was elected a fellow of his college, and became a Fellow of the Royal Society in 1909. He was appointed professor of mathematics at the Royal College of Science for Ireland in 1892 and professor of pure mathematics and applied mathematics when the college merged with University College Dublin in 1926. He retired in 1933 and died in 1934, and is interred in Mount Jerome Cemetery, Dublin. See also *Orr–Sommerfeld equation The Orr–Sommerfeld equation, in fluid dynamics, is an eigenvalue equation describing the linear two-dimensional modes of disturbance to a viscous parallel flow. The solution to the Navier–Stokes equations for a parallel, laminar fl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
