National Museum of Nuclear Science & History
Frank Vaughan was a research associate at the Chicago Met Lab during the Manhattan Project.
Hubbard worked for Stone and Webster Engineering Corporation.
Harry Daghlian (1921-1945) was an American physicist. He died in 1945 from radiation poisoning after a criticality accident at Los Alamos.
John H. Witherell served in the 320th Troop Carrier Squadron.
John W. Dulin served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the navigator regularly assigned to the B-29 Strange Cargo.