National Museum of Nuclear Science & History
Stanley J. Marshall served in the 1st Ordnance Squadron.
Baldwin Sawyer is an American metallurgist. After graduating from Yale with a B.S. in Physics in 1943, Sawyer joined the Manhattan Project at the University of Chicago.
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.