Thomas S. Grennan

Fred A. Hoey

Fred A. Hoey served as a 1st lieutenant in the 393rd Bombardment Squadron. He was the navigator of the B-29 Full House, which served as a weather reconnaissance plane on the Hiroshima bombing mission, and the backup strike plane on Iwo Jima on the Nagasaki mission.

Frank Alvidnes

Frank Alvidnes was a staff worker at Los Alamos during the Manhattan Project.

Olpha S. Clark

Julius “Osty” Ostapowicz

Julius “Osty” Ostspowicz was a glassblower in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.