Marlin S. Hanson

Harold Fidler

Harold Fidler was an Army major and a civil engineer for the Corps of Engineers. Fidler began working at the Radiation Laboratory at Berkeley with Ernest O.

Shirley Tophigh

William B. Downey

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.

J. C. Hecker

J. C. Hecker worked for the Tennessee Eastman Corporation at the Y-12 Plant.