National Museum of Nuclear Science & History
J. B. Corban worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Lester Orlan Keen worked as an engineering draftsman at Hanford during the Manhattan Project. His son, Jack Keen, was a young boy at the time.
Gilbert Plass was a Canadian physicist. Plass was born in 1922 in Toronto. He received a B.S. in physics from Harvard University before being hired to work on the Manhattan Project at the Chicago Met Lab, where he worked as an associate physicist.