George R. Holdren

Raymond W. Swartz

Clarence Sproul

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

Milo V. Martin

Milo Martin worked for the Tennessee Eastman Corporation at the Y-12 Plant.

G. W. Watt

Watt worked at the 200 West Area at Hanford during the Manhattan Project.