Person Cassini; Jacques (1677 - 1756); French astronomer Cassini Jacques French astronomer 1677 - 1756 French Male Paris, Île-de-France, France, Europe 18 February 1677 16770218 His estate of Thury, near Clermont, Oise, France 16 April 1756 17560416

Astronomy Geodesy Education: Began his studies in the family home; the Paris Observatoire; College Mazarin, Paris Career: Accompanied his father to Italy, collaborating with him on the restoration of the meridian at San Petronio, Bologna (1695); travelled to Flanders, Holland and England, making geodesic and astronomical observations; participated in his father's project to extend the Paris meridian to the South of France (1700-1701); succeeded his father as Manager of the Observatoire in Paris (1710-c1740); extended the Paris meridian to Dunkirk (1718); a Cartesian in the age of Newtonianism, Cassini abandoned his scientific activity (1740) Memberships: Academie Royale des Sciences (1694) Parents: Jean Dominique Cassini (FRS 1672) and Genevieve Delaitre Spouse: Suzanne Francoise Charpentier de Charmois Children: Cesar Francois Cassini de Thury (FRS 1751) Grandchildren: Jean Dominique Cassini (ForMem RS 1789) Compiled the first tables of the orbital motions of Saturn’s satellites. Fellow 23/03/1698 21 Sources: Bulloch's Roll; DSB; Biographie Universelle; NBG References: Jean Jacquot, 'Sir Hans Sloane and French Men of Science' in NR 1953 vol 10 pp 85-98 Notes: DSB gives date of death as 15 April. International Standard Archival Authority Record for Corporate Bodies, Persons and Families - ISAAR(CPF) - Ottawa 1996 ISBN 0-9696035-3-3 National Council on Archives, Rules for the Construction of Personal, Place and Corporate Names, 1997 18 Feb 1677 - 15 or 16 Apr 1756 The past Fellows entries are under continuous revision. If you have queries or additional information to contribute, please contact Library@royalsociety.org. Content in external sources is not controlled by the Royal Society and historical sources may include content that is now unacceptable. Reviewed on 13/12/2023 as part of the Name Authority Project update. NA5649 21/11/2001 Andyg pmab 20/12/2023 RS_NET\VidaM Yes f06aaa77-7e28-4ea0-9ae1-a4f9c7b5b749