Walter F. Piontek

Clarence Sproul

Clarence Grover Sproul worked as a machinist on the Manhattan Project in Los Alamos, NM from January through June 1945.

D.E. Silvilers

Silvilers worked at the 200 East Area at Hanford during the Manhattan Project.

J.S. Sayer

A. C. Beltzner

Beltzner worked at the 100-D Area at Hanford during the Manhattan Project.