National Museum of Nuclear Science & History
Carl Neumann worked for the United States Engineer District Office.
George Francis McEwen was born on June 16, 1882 in Manchester, Iowa. He attended Iowa State College.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. B. Bailey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
