National Museum of Nuclear Science & History
Halpern worked in the United States Engineer District Office.
Ralph Steinhardt was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Attended the Cooper Union for the Avancement of Science and Art.
Robert Prunty (1921-2008) served in the Army at Los Alamos during the Manhattan Project, working as a machinist.
