National Museum of Nuclear Science & History
Clarence Johnson (1912-2012) was a Canadian-born chemical engineer. He was born in Alberta, Canada on November 24, 1912 to Swedish migrant parents.
Rene Prestwood was an American nuclear chemist. Prestwood was recruited for the Manhattan Project as a young chemist from the University of California-Berkeley.
O. J. Arwood worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Marstellar served in the 603rd Air Engineering Squadron.