National Museum of Nuclear Science & History
F. H. Stewart served in the 509th Headquarters.
Part of the Special Engineer Detachment (SED), Donald C. Harms was first sent to Oak Ridge, Tennessee, to work on the Manhattan Project.
Frederick A. Zenz was a chemical engineer, and received a B.A. in Chemistry from Queens College. He then earned his M.
Attended the Brooklyn Polytechnic Institute.
