National Museum of Nuclear Science & History
W. G. Butler worked for the J.A. Jones Construction Company.
Eugene W. Darre served in the 603rd Air Engineering Squadron.
W. Stephens worked for the Roane-Anderson Company.
Robert J. Moon (1911-1989) was a physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project and a signer of the Szilard petition.