National Museum of Nuclear Science & History
Paul Petretzky worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Clarence Johnson (1912-2012) was a Canadian-born chemical engineer. He was born in Alberta, Canada on November 24, 1912 to Swedish migrant parents.
Robert B. Duffield was a Researcher at the Los Alamos National Laboratory from 1943 to 1946. He later worked at the Argonne National Lab.