National Museum of Nuclear Science & History
C. E. Mitchell worked for the Roane-Anderson Company.
James A. Parsons was an American chemical engineer. Parsons was born in Hand County, South Dakota. Upon graduation from South Dakota School of Mines and Technology, B.
Roderick E. Legg served as a sergeant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
Stewart worked for Stone and Webster Engineering Corporation.
Jerome (Jerry) Kellogg was an American physicist. He had studied under I. I. Rabi at Columbia University, and worked on the Manhattan Project at Los Alamos.