Samuel Alfred Mitchell

Samuel Alfred Mitchell at McCormick Observatory Samuel Alfred Mitchell (April 29, 1874 – February 22, 1960) was a Canadian-American astronomer who studied solar eclipses and set up a program to use photographic techniques to determine the distance to stars at McCormick Observatory, where he served as the director. Provided by Wikipedia
Showing 1 - 1 of 1 for search: 'Mitchell, Samuel Alfred', query time: 0.01s