One of the first visitors of the Haute-Provence Observatory was born on which year?
Margaret Burbidge Eleanor Margaret Burbidge ("née" Peachey), FRS (born August 12, 1919 in Davenport) is a British-born American astrophysicist, noted for original research and holding many administrative posts, including Director of the Royal Greenwich Observatory.
Louis Thollon Louis Thollon (May 2, 1829 – April 8, 1887) was a French astronomer.