National Museum of Nuclear Science & History
R. Niekirk worked for the Roane-Anderson Company.
Lester Orlan Keen worked as an engineering draftsman at Hanford during the Manhattan Project. His son, Jack Keen, was a young boy at the time.
Fred Patrick worked in DuPont's Chamber Works in Deepwater, NJ in 1943 on Manhattan Project work.
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.
