National Museum of Nuclear Science & History
E. T. O'Conner worked for the Roane-Anderson Company.
Bradley Marmon is a Manhattan Project veteran. Marmon was born in New York on November 15, 1925.
Bernice Feldman was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Twohey worked for Stone and Webster Engineering Corporation.