National Museum of Nuclear Science & History
John “Jack” Carleton Healey, a colonel in the U.S. Air Force, participated in the Manhattan Project as part of General Groves’ staff in Washington, DC.
Whitehurst worked for Stone and Webster Engineering Corporation.
A. G. Milan worked for the J.A. Jones Construction Company.
Carpenter worked at the 200 East Area at Hanford during the Manhattan Project.