National Museum of Nuclear Science & History
Captain William Downey served as the Protestant chaplain for the 509th Composite Group and led the crew of the Enola Gay in prayer before they departed for Hiroshima.
G. William Morgan was an American health physicist. During World War II, Morgan worked on the Manhattan Project as part of the Health Physics Division at the Oak Ridge.
Harry Daghlian (1921-1945) was an American physicist. He died in 1945 from radiation poisoning after a criticality accident at Los Alamos.