National Museum of Nuclear Science & History
Forrest H. Murray was a research associate in the Theoretical Group and a mathematician at the University of Chicago Met Lab.
Alan E. Florin was a research associate in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Willingham worked at the 200 West Area at Hanford during the Manhattan Project.
Arthur Sievert worked for Hanley & Company.