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.
H. W. Scott worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Nellie Jennings was a laboratory assistant at the Metallurgical Laboratory at the University of Chicago during the Manhattan Project.
