Ambrose Knapinski

James C. Gilmore

T. E. O’Flaherity

T. E. O'Flaherity worked for the Roane-Anderson Company.

Harry H. Sadler

Harry Sadler worked for the A. S. Schulman Electric Company.

Cloyd Marvin

Cloyd Marvin had been drafted into the Army, interrupting his education at Haverford University, in 1943 and joined the Special Engineer Detachment as a technician third grade, later being assigned to Los Alamos National Labs in 1947.