National Museum of Nuclear Science & History
L. D. Martin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Downs worked in the United States Engineer District Office.
Edward P. Hayes was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jens Thornton, or “Jim” (as he went by at Berkeley) was an electrical engineer employed by Stone & Webster engineering firm during the Manhattan Project.
DeRenzis worked in the United States Engineer District.
