National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Lieutenant William Dodd was recruited for the Manhattan Project while recuperating from injuries received in the 1943 invasion of Bougainville Island in the South Pacific.
Bill Hartnett worked in plutonium metallurgy for the Manhattan Project at the Hanford Engineer Works from January 1943 to December 1946.
William S. Biggers worked as a chemical engineer during the Manhattan Project. Biggers worked at the the Houdaille-Hershey Plant in Decatur, Illinois from April 1944 to December 1946.
N. C. Poe, Jr. worked for the Poe Piping & Heating Company.
