National Museum of Nuclear Science & History
John “Jack” Carleton Healey, a colonel in the U.S. Air Force, participated in the Manhattan Project as part of General Groves’ staff in Washington, DC.
William S. Biggers worked as a chemical engineer during the Manhattan Project. Biggers worked at the the Houdaille-Hershey Plant in Decatur, Illinois from April 1944 to December 1946.
Evelyn Sargent was a staff worker at Los Alamos during the Manhattan Project.