National Museum of Nuclear Science & History
J. C. Blackwood worked for the Fercleve Corporation.
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.
Bernard Sesko served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
John Ramsey worked for the Tennessee Eastman Corporation at the Y-12 Plant.