25.07.1677, ПАРИЖ ФРАНЦИЯ - 04.06.1719, ПАРИЖ ФРАНЦИЯ
Французский астроном, сын Ф.Ла Гира. Издал эфемериды на 1701-03. Пытался дать объяснение планетным неравенствам. Занимался архитектурой, картографией, геодезической съемкой. Член Королевской АН (1694-1719). КИА.
La Hire, Gabriel-Philippe de [Philippe II]
Born: Paris, 25 July 1677
Died: Paris, 4 June 1719
Dateinfo: Dates Certain
Occupation: Scientist, Government Official He was the son of the astronomer Philippe de La Hire and his first wife Catherine Lesage. His grandfather was Laurent de La Hire, 'peintre ordinaire du roi' and professor of painting and sculpture at the Acadщmie Royale. His half brother studied medicine and became a member of the Acadщmie as a
botanist in 1709.
No information on financial status.
Schooling: No University Gabriel-Philippe was educated at the Paris observatory where he lived after 1682. He was initiated from childhood into astronomy and the techniques of meteorological and astronomical observations. At first he was destined to become a doctor and studied medicine under Duverney. His great interest in mathematics took him down the same path as his father.
6. Scientific Disciplines
Primary: Astronomy, Engineering
Subordinate: Medicine, Anatomy, Meteorology He assisted his father in his regular observations at the Paris Observatory. His first solo work was the establishment of the Ephemerides for 1701, 1702, and 1703. This work involved de La Hire in a painful dispute with Jean Le Fevre, 'astronome pensionnaire' and editor of Connaissance des temps. Le Fevre accused both father and son of plagiarism and incompetence. The result of the controversy left Le Fevre with the loss of his editorship, severely censured, and expelled from the Acadщmie. In 1702 La Hire published a new edition of Mathurin Jousse's Le theatre
de l'art de charpentrie. The following year he presented several short memoires to the Acadщmie on subjects ranging from observational and physical astronomy to applied
science and medicine. After his nomination to the second class of architects of the Acadщmie of Architecture (1706), de La Hire began to consider several technical and architectural problems. In 1707 he wrote a memoire on the organ of sight in which he established that the aqueous humor filled the same function as
the vitreous humor. In 1718 he participated in the geodesic operations carried out under the direction of Jacques Cassini to extend the meridian of Paris from
Amiens to Dunkerque.
7. Means of Support
Primary: Government From the year 1694 La Hire was appointed to various positions within the Acadщmie. Note that there were two different Acadщmies involved: the Acadщmie des Sciences, and the Acadщmie of Architecture.
Type: Unknown With his father already there, La Hire had an in. Nevertheless someone
had to appoint him to the Acadщmie.
9. Technological Involvement Types: Architecture, Cartography, Instruments, Mechanical Devices He invented a device to detach a carriage from the horses when they
got out of hand.
10. Scientific Societies
Memberships: Acadщmie Royal des Sciences, 1694-1719
1694, appointed щlшve astronome. 1699, appointed associщ 1706, appointed to second class in the Royal Academy of Architects. 1718, succeeded his father as pensionnaire in the Acadщmie des sciences. 1718, succeeded his father as professor of architecture (Acadщmie of
Sources 1.Michaud, Biographie gщnщrale, 23. 2.Hoefer, Nouvelle biographie gщnщrale, 28. 3.A. Jal, Dictionnaire critique de biographie et d'histoire, 2nd ed. (Paris, 1872), pp. 730-1. 4.I am unable to find any щloge in the histories of the Acadщmie. In all there is an extreme lack of information about La Hire. 5.I can hardly believe that there is so little on the two LaHires.
Compiled by: Richard S. Westfall Department of History and Philosophy of Science Indiana University
The Galileo Project Development Team: email@example.com
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