Ernest W. Frey

Clarence A. Schalia

Clarence Schalia was a staff worker at Los Alamos during the Manhattan Project.

R. D. Cantrell

R. D. Cantrell worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Joseph Hans

Joseph Hans worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Myles Ruggenberg