National Museum of Nuclear Science & History
W. Stephens worked for the Roane-Anderson Company.
Lyle Smith worked for the United States Engineer District Office.
Calvin C. Anstine served as sergeant in the 393rd Bombardment Squadron.
Robert Miller was an electrical engineer in the Special Engineering Detachment at Oak Ridge, Tennessee, primarily focused on the development of measuring instrument.
Philip C. Leahy was a Second Lieutenant for the U.S. Army Corps of Engineers who began his work for the Manhattan Project at the Metallurgical Laboratory at the University of Chicago, Illinois.