National Museum of Nuclear Science & History
C. R. Frazier worked for the Poe Piping & Heating Company.
James C. Hart was a DuPont chemist and member of the health physics group during the Manhattan Project.
Margaret Brown was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Wright Langham was an American biochemist and one of the foremost experts on plutonium. After completing his Ph.
