National Museum of Nuclear Science & History
David Nicodemus (1916-1999) was an American physicist. Nicodemus worked at Los Alamos during the Manhattan Project and witnessed the Trinity Test.
Leamon Babb was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Lenora Stallings was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Eugene S. Grennan served as a 2nd lieutenant in the 509th Composite Group. He was the flight engineer on the Straight Flush during the Hiroshima mission.