Joseph H. Cummins

Herschel D. Warren

Herschel Warren was a staff worker at Los Alamos during the Manhattan Project.

J. Clyde Bowles

Clyde Bowles worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Frank H. Pysson

Mark S. Fred

Mark Fred was a research assistant in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.