Person Janssen; Pierre Jules Cesar (1824 - 1907) Janssen Pierre Jules Cesar 1824 - 1907 French Male Paris, France 22 February 1824 Meudon, France 23/12/1907 19071223

Physical astronomy Spectroscopy Photography Career: Teacher, Lycee Charlemagne, Paris (1853); travelled to Peru to determine the magnetic equator (1857); Teacher, School of Architecture, Paris (1865-1871); made magnetic observations in the Azores (1867) and at Oran, Algeria (1882); observed solar eclipses in Algiers, for which he escaped from Paris in a hot air balloon (1870), Siam (1875), Caroline Islands (1883) and Spain (1905); Director, Astrophysical Observatory established by the French government, Meudon (1875) Medals and prizes: Rumford Medal 1876 Foreign Member 08/04/1875 Sources: Bulloch's Roll; DSB Obituaries: Proc Roy Soc Series A 1908 vol 81 pp lxxvii-lxxxi signed by N L 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 22 Feb 1824 - 23 Dec 1907 NA6526 21/11/2001 Andyg Pmab 28/03/2023 RS_NET\JonathanB Yes http://viaf.org/viaf/61576849 4d9926f3-5da1-4fa7-b1d8-7fd876dee15e