National Museum of Nuclear Science & History
George I. Ray worked for the G.G. Ray Company.
R. O. Irwin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Hollis worked for Stone and Webster Engineering Corporation.
Thomas V. Moore was the chief engineer of the University of Chicago Met Lab and oversaw the construction of Chicago Pile-1.
Hammond worked at the 300 Area at Hanford during the Manhattan Project.