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.
Robert B. Jacks served in the 320th Troop Carrier Squadron.
Alexander worked at the 100 D Area at Hanford during the Manhattan Project.
M. V. Griscom worked for the Tennessee Eastman Corporation at the Y-12 Plant.