National Museum of Nuclear Science & History
Walter M. Longfelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Irl Schoonover was a staff worker at Los Alamos during the Manhattan Project.
Robert Mackenzie “Bob” Underhill (1893-1988) was a finance officer for the University of California during the Manhattan Project.
Attended the Brooklyn Polytechnic Institute.
