National Museum of Nuclear Science & History
Jean Critzelous worked for the H. K. Ferguson Company.
Halteman worked at the 100-D Area at Hanford during the Manhattan Project.
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.
Hill worked at the 300 Area at Hanford during the Manhattan Project.