National Museum of Nuclear Science & History
Paul Gerhard worked for the Kellex Corporation at the K-25 Plant.
Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Clarence Grover Sproul worked as a machinist on the Manhattan Project in Los Alamos, NM from January through June 1945.
Dunnigan worked at the 300 Area at Hanford during the Manhattan Project.
