Alexander Thomas Emeric Vidal (1792 – 5 February 1863) was an officer of the
Royal Navy
The Royal Navy (RN) is the naval warfare force of the United Kingdom. It is a component of His Majesty's Naval Service, and its officers hold their commissions from the King of the United Kingdom, King. Although warships were used by Kingdom ...
. He became an accomplished
surveyor
Surveying or land surveying is the technique, profession, art, and science of determining the terrestrial two-dimensional or three-dimensional positions of points and the distances and angles between them. These points are usually on the ...
, and reached the rank of
vice-admiral
Vice admiral is a senior naval flag officer rank, usually equivalent to lieutenant general and air marshal. A vice admiral is typically senior to a rear admiral and junior to an admiral.
Australia
In the Royal Australian Navy, the rank of vic ...
.
Early life
Vidal was born in 1792, the youngest of four children of Emeric Vidal, who served in the Royal Navy. Alexander followed his father, embarking on a naval career in December 1803 when he joined as a 1st class volunteer.
He served alternately under
Sir Charles Hamilton,
Michael Seymour and W. Shield. He initially served in the
English Channel
The English Channel, also known as the Channel, is an arm of the Atlantic Ocean that separates Southern England from northern France. It links to the southern part of the North Sea by the Strait of Dover at its northeastern end. It is the busi ...
, off the north coast of
Spain
Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...
and in the
West Indies
The West Indies is an island subregion of the Americas, surrounded by the Atlantic Ocean, North Atlantic Ocean and the Caribbean Sea, which comprises 13 independent island country, island countries and 19 dependent territory, dependencies in thr ...
, until November 1805.
He later joined the
Royal Naval College
Royal may refer to:
People
* Royal (name), a list of people with either the surname or given name
* A member of a royal family or royalty
Places United States
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at
Portsmouth
Portsmouth ( ) is a port city status in the United Kingdom, city and unitary authority in Hampshire, England. Most of Portsmouth is located on Portsea Island, off the south coast of England in the Solent, making Portsmouth the only city in En ...
, before joining in November 1809. Here he served under
Lord William Stuart, and George Digby. He spent three years aboard the ''Lavinia'' at the rank of
midshipman
A midshipman is an officer of the lowest Military rank#Subordinate/student officer, rank in the Royal Navy, United States Navy, and many Commonwealth of Nations, Commonwealth navies. Commonwealth countries which use the rank include Royal Cana ...
, and saw service in the Mediterranean and West Indies, and at
Cadiz and
Lisbon
Lisbon ( ; ) is the capital and largest city of Portugal, with an estimated population of 567,131, as of 2023, within its administrative limits and 3,028,000 within the Lisbon Metropolitan Area, metropolis, as of 2025. Lisbon is mainlan ...
.
Promotion
He then served on the Home Station, successively aboard , , , , and .
He sailed aboard the ''Conway'' to the
North American Station
The North America and West Indies Station was a formation or command of the United Kingdom's Royal Navy stationed in North American waters from 1745 to 1956, with main bases at the Imperial fortresses of Bermuda and Halifax, Nova Scotia. The ...
, and on arrival, spent time on the
Great Lakes
The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes spanning the Canada–United States border. The five lakes are Lake Superior, Superior, Lake Michigan, Michigan, Lake Huron, H ...
working in a surveying role. He was briefly employed as flag-lieutenant to Commodore
Sir Edward Owen, before receiving his commission, dated February 1815.
He was appointed to in August 1818, rising to the post of first lieutenant under
William Owen. The death of Commander Cudlip led to Vidal being appointed to his first command, that of , and in May 1823 he was confirmed with promotion to the rank of Commander. He accompanied Owen on his voyage to Africa and on his return to England in October 1825, he was promoted to
post-captain
Post-captain or post captain is an obsolete alternative form of the rank of captain in the Royal Navy. The term "post-captain" was descriptive only; it was never used as a title in the form "Post-Captain John Smith".
The term served to dis ...
.
Hunt for Aitkin's Rock
Aitkin's Rock was a supposed rock in the North Atlantic. Despite being observed and named by a merchant, it had not been reliably charted, and expeditions, by in 1824; and in 1827; and and had all failed to locate it.
In the summer of 1830, the
Admiralty
Admiralty most often refers to:
*Admiralty, Hong Kong
* Admiralty (United Kingdom), military department in command of the Royal Navy from 1707 to 1964
*The rank of admiral
*Admiralty law
Admiralty can also refer to:
Buildings
* Admiralty, Tra ...
placed Vidal in command of and and ordered him to investigate. There had been at least seven separate reports of the potential hazard, said to be small and protruding only about four feet from the water.
Francis Beaufort
Sir Francis Beaufort ( ; 27 May 1774 – 17 December 1857) was an Irish hydrographer and naval officer who created the Beaufort cipher and the Beaufort scale.
Early life
Francis Beaufort was descended from French Protestant Hugu ...
worked out a rough position for the rock and Vidal set out to investigate.
He spent six weeks charting the supposed locations and all of the positions in between, without discovering any evidence. Satisfied that the rock was a mere
vigia, he returned to port.
During his surveys in search of the rock, he discovered and charted Vidal bank, and the next year became the first to accurately chart and describe
Rockall
Rockall () is a high, uninhabitable granite islet in the North Atlantic Ocean. It is west of Soay, St Kilda, Scotland; northwest of Tory Island, Ireland; and south of Iceland.
The nearest permanently inhabited place is North Uist, east in ...
.
African mapping
Vidal sailed aboard in December 1835, carrying 12
chronometers
A clock or chronometer is a device that measures and displays time. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month, and the yea ...
.
He intended to calculate the
meridian arc
In geodesy and navigation, a meridian arc is the curve (geometry), curve between two points near the Earth's surface having the same longitude. The term may refer either to a arc (geometry), segment of the meridian (geography), meridian, or to its ...
length to the
Cape Verde
Cape Verde or Cabo Verde, officially the Republic of Cabo Verde, is an island country and archipelagic state of West Africa in the central Atlantic Ocean, consisting of ten volcanic islands with a combined land area of about . These islands ...
Islands, and the west coast of Africa. He eventually carried out detailed surveys all along the African coast, so that by 1838 the Secretary of the
Royal Geographical Society
The Royal Geographical Society (with the Institute of British Geographers), often shortened to RGS, is a learned society and professional body for geography based in the United Kingdom. Founded in 1830 for the advancement of geographical scien ...
could remark of the survey that
This tedious undertaking is drawing to a close, and will then be of equal utility to the fair traders and the anti-slavery cruisers. It is fortunately in the hands of such a man as Captain Vidal, R.N., who has steadily devoted himself during a long period of ill-health, to complete this unpopular work, and to connect with it a minute examination of the Canary Islands.
Vidal then carried out surveys of the
Azores
The Azores ( , , ; , ), officially the Autonomous Region of the Azores (), is one of the two autonomous regions of Portugal (along with Madeira). It is an archipelago composed of nine volcanic islands in the Macaronesia region of the North Atl ...
aboard from September 1841 until January 1845. He then moved aboard the yacht
''William & Mary'' to complete the work.
Later life and legacy
Vidal was promoted to rear-admiral on 27 January 1851, and vice-admiral on 17 June 1859.
[Biography of Vidal]
/ref> He had married Sarah Antoinette, daughter of Henry Veitch, the Consul General of Madeira
Madeira ( ; ), officially the Autonomous Region of Madeira (), is an autonomous Regions of Portugal, autonomous region of Portugal. It is an archipelago situated in the North Atlantic Ocean, in the region of Macaronesia, just under north of ...
, in October 1839 and had two sons, Owen Alexander (b. 1841) and Beaufort Henry (b. 1842). Following his wife's death in 1843, Vidal emigrated to Canada, where he joined his eldest brother Richard Emeric Vidal [For more on Richard Emeric Vidal see: ] in the founding of Sarnia
Sarnia is a city in Lambton County, Ontario, Canada. It had a Canada 2021 Census, 2021 population of 72,047, and is the largest city on Lake Huron. Sarnia is located on the eastern bank of the junction between the Upper and Lower Great Lakes, ...
, Ontario
Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...
. He died at Clifton, Bristol
Clifton is an inner suburb of Bristol, England, and the name of one of the city's thirty-five Wards and electoral divisions of the United Kingdom, electoral wards. The Clifton ward also includes the areas of Cliftonwood and Hotwells. The easter ...
on 5 February 1863, aged 73.
The survey ship , launched in 1951, was named in his honour. In 1955 a party from HMS ''Vidal'' were landed on Rockall to claim it as part of the United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
, thus claiming the islet that Alexander Vidal had first surveyed over a hundred years before.
See also
*
Notes
References
*
*
*
Biography of Vidal
*
External links
{{DEFAULTSORT:Vidal, Alexander Thomas Emeric
1792 births
1863 deaths
English surveyors
English cartographers
Royal Navy vice admirals
English hydrographers
19th-century Royal Navy personnel
Rockall