Charles W. Josifek

Horace E. Mahorney

Horace Mahorney was a chemical engineer at the Y-12 plant in Oak Ridge, Tennessee. From September 1943 to November 1945, Mahorney was an operator of the mass spectrometer with Dr.

Max Friedman

Max Friedman was an American physicist. One of J. Robert Oppenheimer‘s bright young pupils at the University of California, Berkeley during the 1930s, Friedman’s career as a physicist was derailed by his leftist politics.

J. A. Olson

Sarah Prestwood

Sarah (Dowson) Prestwood worked as a nurse at Los Alamos during the Manhattan Project. She was married to chemist Rene Prestwood.