National Museum of Nuclear Science & History
O’Black worked in the 200 East Area at Hanford during the Manhattan Project.
Ray worked at the 100-F area at Hanford during the Manhattan Project.
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.
