John B. Daniel

Lansing E. Tryon

Lansing Tryon was a staff worker at Los Alamos during the Manhattan Project.

John G. Conway

Ernest C. Lawrence

Ernest C. Lawrence was a millwright at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H.A. Fettinger

H.A. Fettinger was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.