 He served as a senator until his death, on June 11, 1991, a few hours after what would be his last senate sitting.Croll was born in a Moscow, Russia and was brought to Canada with his family as a young boy, at which point his name was anglicized.Croll became a lawyer and entered politics serving as mayor of Windsor, Ontario from 1931 to 1934 during the worst days of the Great Depression.