John P. Wittemore

Leslie F. Spalding

Leslie Spalding worked for the United States Engineer District Office.

C. R. Casparek

C. R. Casparek worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Bert Tolbert

Bert Tolbert joined the Manhattan Project in 1944 while completing his PhD in Chemistry from the University of California at Berkeley.

D. Showker