National Museum of Nuclear Science & History
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.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Pyle was a research assistant at the Chicago Met Lab during the Manhattan Project.
Abram A. Brumfield served in the 1027th Air Material Squadron.
