National Museum of Nuclear Science & History
Laura A. Marshall was a laboratory technician in the Health Division at the University of Chicago Met Lab.
Richard Tolman (1881-1948) was an American physicist and chemist. Starting in 1940, Tolman served as Vice-Chairman of the National Defense Research Committee (NDRC) and was also the Chairman of the Armor and Ordnance Division of the NDRC.
Leo Seren (1918-2002) was an American physicist. Seren (in photo, first row standing, far right) was born on May 9, 1918.
J. F. Villere worked for the United States Engineer District Office.
R. M. Pylant worked for the Tennessee Eastman Corporation at the Y-12 Plant.