National Museum of Nuclear Science & History
Alfred Simon was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Vincent J. Galvani was a chemical engineer who helped design the trigger mechanism for the atom bomb.
Sgt. Nellie Rushing served in the Women’s Army Corps at Los Alamos during the Manhattan Project.
Thomas L. Heddy served in the 320th Troop Carrier Squadron.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.