National Museum of Nuclear Science & History
Butler worked at the 300 Area at Hanford during the Manhattan Project.
Robert J. Petrolli served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the navigator regularly assigned to the Laggin’ Dragon.
Emma Tolmach was a technician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Ralph Gust worked for the Tennessee Eastman Corporation at the Y-12 Plant.