National Museum of Nuclear Science & History
Mary Johns worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leon Leventhal was a nuclear chemist and radiation expert who worked at Oak Ridge, the University of Chicago’s Met Lab, and Los Alamos Laboratory during the Manhattan Project.
William Crum was born on September 4, 1925, in Hancock County, IL. He was the seventh of eight siblings who grew up on a farm in Western Illinois near the Mississippi River.
Patrick J. Hogan served in the 603rd Air Engineering Squadron.
