National Museum of Nuclear Science & History
Fred D. Butler served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Laggin’ Dragon.
Estelle B. Lucas was a laboratory assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Clarkson worked in the United States Engineer District Office.
John Baker worked for the Tennessee Eastman Corporation at the Y-12 Plant.