National Museum of Nuclear Science & History
John Horan worked for the United States Engineer District Office.
Lewis Truhlar served in the 393rd Bombardment Squadron.
J. E. Southerland worked for the United States Engineer District Office.
Elwin Covey was an assistant and protégé to Glenn Seaborg, and spent most of his time with the Manhattan Project at the X-10 plant in Oak Ridge, Tennessee.