Kirby Ross

John Crawford

John Crawford was a physicist and research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Roland D. Modlin

Roland Modlin was the Right Scanner for the plane Dave’s Dream in the 58th Bomb Wing of the 509th Composite Group.

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.

Donald E. Matthews