National Museum of Nuclear Science & History
W. W. Hering worked for the United States Engineer District Office.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Johnstone worked at the 300 Area at Hanford during the Manhattan Project.
Samuel R. Goldwasser worked as a Research Assistant at the Met Lab from October of 1943 to March of 1944.
