National Museum of Nuclear Science & History
J. P. Valliant worked for the Union Carbide & Carbon Corporation.
Grills worked at the 100-B Area at Hanford during the Manhattan Project.
James King worked at the Y-12 Plant in Oak Ridge, Tennessee, in the uranium purification process from February 1944 to February 1947.
H. Cohen worked for the Roane-Anderson Company.
Fredrika Lewis was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.