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.
Kaspar Gottfried Schweizer Kaspar Gottfried Schweizer (February 16, 1816 – July 6, 1873) was a Swiss astronomer who travelled to Moscow in 1845 to become Professor of Mathematics and Astronomy at the Survey Institute, and later director of the Moscow University Observatory.