National Museum of Nuclear Science & History
Secundino Roybal was a staff worker at Los Alamos during the Manhattan Project.
Johnston worked at the 200 West Area at Hanford during the Manhattan Project.
George W. Marquardt served as a captain in the 393rd Bombardment Squadron. Although he was regularly assigned to the Up An’ Atom, he flew in the mission to bomb Hiroshima as the aircraft commander of the Necessary Evil.
Attended North Carolina State University.
