Joseph Bossert
Joseph François Bossert (30 November 1851 – 21 June 1906) was a French astronomer. Bossert began study at age fifteen at the Paris Observatory. He calculated the orbits of asteroids and comets. He was the main author of three star catalogues: He was also one of the main contributors to the Astrographic Catalogue project initiated by Mouchez in 1887. Bossert won the Lalande Prize of the French Academy of Sciences in 1888 and the Valz Prize in 1896.