National Museum of Nuclear Science & History
Lucy Howsare worked for the United States Engineer District Office.
Frank E. Snyder served in the 393rd Bombardment Squadron.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
Evelyne Litz worked in health physics and as a librarian during the Manhattan Project at Los Alamos and the Chicago Met Lab.
