National Museum of Nuclear Science & History
Paul Petretzky worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Argue worked for the Stone and Webster Engineering Corporation.
Clarence Johnson (1912-2012) was a Canadian-born chemical engineer. He was born in Alberta, Canada on November 24, 1912 to Swedish migrant parents.
Thomas Farrell (1891 – 1967) was a major general in the US Army. Farrell was hand-picked by General Groves to serve as his deputy, or as the Deputy Commanding General of the Manhattan Project.
