National Museum of Nuclear Science & History
J. E. Brock worked for the Roane-Anderson Company.
Bernard Weinstock was an American chemist. Weinstock was born in New York City. He studied at Columbia University, where he became part of the research team led by Harold Urey.
R. G. Cooper worked for the Union Carbide & Carbon Corporation.
Edward P. Hayes was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.