National Museum of Nuclear Science & History
N. D. Barker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
Stafford Leak “Staff” Warren was a Colonel in the Army Medical Corps and the Chief Medical Officer of the Manhattan Engineer District (MED).
Brown worked in the United States Engineer District Office.
Attended Michigan State University.
