National Museum of Nuclear Science & History
Tommey worked for Stone and Webster Engineering Corporation.
Marion Mandel was a laboratory technician in the Health Division at the University of Chicago Met Lab.
J. E. Westcott worked for the United States Engineer District Office.
W. R. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John D. Watson was an American civil engineer. In 1942, he joined the J.A. Jones Construction Company.