National Museum of Nuclear Science & History
A. Mulder worked for the Roane-Anderson Company.
O. H. Moyer worked for the J.A. Jones Construction Company.
Spofford G. English was an American chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) and Oak Ridge during the Manhattan Project.
E. C. Gunneau worked for the Edenfield Electric Company.
George Cowan joined the Manhattan Project in 1942 at the Met Lab as a chemist for Enrico Fermi’s group, and also worked for Columbia University.