National Museum of Nuclear Science & History
Henry Wigen worked for the United States Engineer District Office.
Robert E. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
E. L. Akard worked for the Comstock-Bryant Electric Company
Part of the Special Engineer Detachment (SED), Donald C. Harms was first sent to Oak Ridge, Tennessee, to work on the Manhattan Project.
