National Museum of Nuclear Science & History
Julius Sirota was an Americah chemist. He worked for the Substitute Alloy Materials on the Manhattan Project at Columbia University.
Robert C. Hirt was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Clifford Nilsson served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
