National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
John Tucker was a member of Project Alberta, dedicated to the ensuring that an atomic bomb device could be dropped by an aircraft.
Ann Reser worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Daniel D. Friel was a chemical engineer for the DuPont Company who joined the Manhattan Project at the University of Chicago in 1943.
