National Museum of Nuclear Science & History
Joseph Kouba was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Carl Adolphson was a staff worker at Los Alamos during the Manhattan Project.
Helen Thomson was a techinician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Wilbur H. Lyon served in the 320th Troop Carrier Squadron.