Howard Orndorff

H. M. Everson

Harold Hasenfus

Harold Hasenfus was part of the Special Engineer Detachment during the Manhattan Project and worked at the University of Chicago's Metalurgical Laboratory and at the gaseous diffusion plant in Oak Ridge.

Edwin J. Ziegler

Dana Mitchell

Dana Mitchell was an American physicist.  He was in charge of procurement for the physics department at Columbia University during the first year of the Manhattan Project.