National Museum of Nuclear Science & History
Robert Schrader was completing his PhD in chemical engineering at MIT when he was selected to work on the Manhattan Project in Boston.
John P. McBride was a research assistant in the Chemistry Division at the Chicago Met Lab. He was later assigned to Oak Ridge, where he worked on plutonium purification and on isolating uranium-233 isotopes from thorium.
Jas Witt worked for the Tennessee Eastman Corporation at the Y-12 Plant.