National Museum of Nuclear Science & History
M. F. McDermott worked for the Union Carbide & Carbon Corporation.
Edward F. Wortmann (1916-1998) was a purchasing agent at Los Alamos during the Manhattan Project. Wortmann joined the lab in 1944.
Arthur C. Stein served in the 320th Troop Carrier Squadron.
Blanche J. Lawrence was an African-American research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.