C. E. Obenchain

F.L. Reber

C. E. Johnson

C. E. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.

F.E. Rentschler

Rentschler worked at the 100-D area at Hanford during the Manhattan Project. 

Leslie R. Groves

Lieutenant General Leslie Groves (1896-1970) was a United States Army Corps of Engineers officer and director of the Manhattan Project.