National Museum of Nuclear Science & History
D. A. Plunkett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John L. Stiegman served in the First Ordnance Squadron.
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Arlene Gertrude Scheidenhelm (1908-1970) was the Director of the Women’s Army Corps for the Manhattan District.