National Museum of Nuclear Science & History
J. H. Rhodes worked for the J.A. Jones Construction Company.
Marle Velde worked for the Kellex Corporation at the K-25 Plant.
Frank Foote was the Principal Metallurgist at the Manhattan Project’s Metallurgical Laboratory at the University of Chicago.
Melvin A. Miller was a draftsman at the University of Chicago Met Lab. In 1946, he sketched two famous drawings of Chicago Pile-1 based on the descriptions of scientists who were present when it went critical.
Lansing Tryon was a staff worker at Los Alamos during the Manhattan Project.