National Museum of Nuclear Science & History
Attended Purdue University.
Frederick Roach served in the Army at Los Alamos during the Manhattan Project.
Duillio DiCostanzo worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
N. N. Tracy worked for the J.A. Jones Construction Company.
D. D. Frazer worked for the Tennessee Eastman Corporation at the Y-12 Plant.