National Museum of Nuclear Science & History
R. R. Wischmeyer worked for the Midwest Piping and Supply Company.
P. M. Putnam worked for the J.A. Jones Construction Company.
Joseph Leopold worked for the Kellex Corporation at the K-25 Plant.
Ralph Alexander Gardner-Chavis (1922-) is a chemist and pioneer of hard plastics who worked at the University of Chicago’s Met Lab during the Manhattan Project.
