Alva J. Cross

Walter J. Grundhauser

Walter J. Grundhauser was a research assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Irl G. Schoonover

Irl Schoonover was a staff worker at Los Alamos during the Manhattan Project.

Alvin F. Mitchell

Julian R. Fleming

Julian Fleming worked for the Tennessee Eastman Corporation at the Y-12 Plant.