National Museum of Nuclear Science & History
Clarke worked in the United States Engineer District Office.
Parsons worked in the 300 Area at Hanford during the Manhattan Project.
John Crawford was a physicist and research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. W. Reynolds worked for the Tennessee Eastman Corporation at the Y-12 Plant.
F. J. Fry worked for the Fercleve Corporation.
