National Museum of Nuclear Science & History
H. V. Appen worked for the J.A. Jones Construction Company.
Seth I. Smith served in the First Ordnance Squadron.
William C. “Bill” Elmore was an American experimental physicist who served as the chairman of the Physics department at Swarthmore College from 1948 to 1968.
Ralph Alexander Gardner-Chavis (1922-) is a chemist and pioneer of hard plastics who worked at the University of Chicago’s Met Lab during the Manhattan Project.
Jesus Royball was a staff worker at Los Alamos during the Manhattan Project.