National Museum of Nuclear Science & History
R. A. Coster worked for the Union Carbide & Carbon Corporation.
Thomas Anderson was an American army officer with the Manhattan Engineer District. Tom Anderson arrived to Los Alamos in 1945 and was assigned to work with Dr.
K. Langosch worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. W. Llewellyn worked for the United States Engineer District Office.