National Museum of Nuclear Science & History
J. J. Maroone worked for the Union Carbide & Carbon Corporation.
Anthony J. Okleshen worked in the shop at the University of Chicago’s Metallurgical Laboratory.
Groom worked at the 300 Area at Hanford during the Manhattan Project.
Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.
