National Museum of Nuclear Science & History
Daniel Pfaff was a staff worker at Los Alamos during the Manhattan Project.
Andrew Williams served in the 603rd Air Engineering Squadron.
Monroe Messinger was born in New Jersey and grew up in Brooklyn and Long Island. He received a Bachelor of Science degree from the College of the City of New York.
Julius Sirota was an Americah chemist. He worked for the Substitute Alloy Materials on the Manhattan Project at Columbia University.
T. T. Metten worked for the United States Engineer District Office.
