National Museum of Nuclear Science & History
John C. Pennock attended Cornell University, where he studied engineering. He was a member of the Special Engineer Detachment at Oak Ridge, where he worked as a technical engineer at the K-25 Plant.
McMahon worked in the 100 D Area at Hanford during the Manhattan Project.
B. B. Bowie worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Sommer worked for the Roane-Anderson Company.