National Museum of Nuclear Science & History
Ray worked at the 100-F area at Hanford during the Manhattan Project.
W. C. Grube worked for the Tennessee Eastman Corporation at the Y-12 Plant.
A. F. Lisner, Jr. worked for the Union Carbide & Carbon Corporation.
Robert J. Moon (1911-1989) was a physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project and a signer of the Szilard petition.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.