National Museum of Nuclear Science & History
H. L. Roland worked for the Midwest Piping and Supply Company.
Glenn Sprankle worked in the shop at the Metallurgical Laboratory in Chicago 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.
Paul Olum (1918-2001) was an American theoretical physicist at Los Alamos from 1943 to 1945. Olum was born in 1918 in Binghamton, New York.
