National Museum of Nuclear Science & History
Schrader worked at the 200 West Area at Hanford during the Manhattan Project.
Leon Matlock worked for the Kellex Corporation at the K-25 Plant.
Carl Leonard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George Miller was a research assistant at the University of Chicago Met Lab. He was present when Chicago Pile-1 went critical on December 2, 1942.