National Museum of Nuclear Science & History
W. J. English worked for the Roane-Anderson Company.
Manuel Schwartz was a physicist. He worked at Los Alamos as a civilian employee from about July 6, 1944, until January or February 1946.
John Brill was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
L. M. Jacobs worked for the Comstock-Bryant Electric Company.