National Museum of Nuclear Science & History
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.
Lieutenant Donald Collins was assigned to the University of Chicago's Met Lab in the Health Physics Division.
Butscher worked for Stone and Webster Engineering Corporation.
Susan Zagaria was a laboratory technician in the health division at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
