National Museum of Nuclear Science & History
C. L. Henningsen, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Thomas Guilfoyle was a member of the Military Police at the University of Chicago's Metallurgical Lab from 1943 to 1945.
