National Museum of Nuclear Science & History
Gerritsen worked at the 300 Area at Hanford during the Manhattan Project.
P. S. Vincent worked for Clinton Laboratories at the X-10 Reactor.
Clarence Johnson (1912-2012) was a Canadian-born chemical engineer. He was born in Alberta, Canada on November 24, 1912 to Swedish migrant parents.
George worked at Los Alamos during the Manhattan Project.
