Question: What position at Royal Greenwich Observatory did the wife of Geoffrey Burbidge hold?
Sentence (from "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.
Relevant evidence: Yes