National Museum of Nuclear Science & History
R. A Winkel worked for the Union Carbide & Carbon Corporation. At Oak Ridge he assisted in the development of the K-25 plant.
William Cowart was a design engineer with the Special Engineering Detachment for the Manhattan Project at Los Alamos, New Mexico.
Edna K. Marks was a junior biologist and technician in the Health Division at the University of Chicago Met Lab.
Ernest Morgan worked for the J.A. Jones Construction Company.