National Museum of Nuclear Science & History
R. L. McDaniels worked for the Roane-Anderson Company.
M. B. Dieson worked at the 300 Area at Hanford during the Manhattan Project.
Norene Mann was a secretary at the University of Chicago Met Lab. She worked for Nobel laureate James Franck, but often also acted as a secretary for Leo Szilard.
Piper worked for Stone and Webster Engineering Corporation.