D. C. Clippard

W. Maddox

W. Maddox worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

E. T. Hudson

R. N. Babcock

R. N. Babcock worked for the Roane-Anderson Company.

C. E. Hauth

C. E. Hauth worked for the Hooker Electrochemical Company.