National Museum of Nuclear Science & History
Ruska worked for Stone and Webster Engineering Corporation.
Sergeant Ralph Curry was a Radio Operator assigned to the Bockscar’s original crew. He was a member of the 393rd Bombardment Squadron, a segment of the 509th Composite Group.
Helen Pellock (1926-1957) was a technician in the Chemistry Division of the Chicago Met Lab, working under Glenn Seaborg.