National Museum of Nuclear Science & History
Gerald F. Smith served in the Special Engineer Detachment at Los Alamos, NM during the Manhattan Project.
Velva Irwin worked as a Calutron girl at the Y-12 Plant at Oak Ridge, TN. She was only 16 when she began working on the Manhattan Project.
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.