National Museum of Nuclear Science & History
Charles Mallon worked for the Kellex Corporation at the K-25 Plant.
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.
Gordon Knobeloch was drafted into the Army directly out of Washington University in St. Louis. He was deployed to Los Alamos.