National Museum of Nuclear Science & History
Hayes worked in the United States Engineer District Office.
William L. Littlejohn served in the 603rd Air Engineering Squadron.
Henry I. Jones served as a sergeant in the 393rd Bombardment Squadron.
Shirley Nyden was a laboratory technician in the Chemistry Division at the University of Chicago Met Lab between June and December of 1944.
Francis Birch (1903-1992) was an American geophysicist. In 1942, Birch worked at the MIT Radiation Lab, which was tasked with radar development.