National Museum of Nuclear Science & History
W. E. Brewer worked for the Roane-Anderson Company.
Ross worked at the 200 East Area at Hanford during the Manhattan Project.
Jack Hefner joined the Manhattan Project at Oak Ridge in 1943. Hefner was a reactor engineer and helped supervise the construction of the X-10 Graphite Reactor.
Marion Van Gemert was born in Wisconsin. She received her bachelor’s degree in home economics from Stout State College.