National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Ralph Shelley worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Josephine Minch was a research assistant in physics at the University of Chicago Met Lab.
J. A. Marshall worked for the Union Carbide & Carbon Corporation.
H. B. Whitmore worked for the Tennessee Eastman Corporation at the Y-12 Plant.
