National Museum of Nuclear Science & History
Frankie R. Johnson served in the 393rd Bombardment Squadron.
Richard Emanatian was with the military police detachment at Los Alamos during the war. He maintained secrecy through the rest of his life, and his family only found about his involvement long after his death.
Harry Daghlian (1921-1945) was an American physicist. He died in 1945 from radiation poisoning after a criticality accident at Los Alamos.
H. G. Mullican worked for the J.A. Jones Construction Company.
