National Museum of Nuclear Science & History
Paul Langguth worked for the United States Engineer District Office.
Ruth A. Casler was a lab technician in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Calhoun worked at the 300 Area at Hanford during the Manhattan Project.
Lucille Cooley worked for the Union Carbide & Carbon Corporation.
John Reese worked for the Tennessee Eastman Corporation at the Y-12 Plant.
