National Museum of Nuclear Science & History
Ira Carpenter worked for the Edenfield Electric Company.
Fred Sexton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Arvid T. Nesseth served in the 1027th Air Material 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.
Evelyn O. Gaston was a laboratory technician in the Health Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.