National Museum of Nuclear Science & History
Donald Swinehart (1917-1993) was an American chemist. Swinehart was born in Strasburg, Ohio. He received a B.
Smith worked at the 200 West 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.
Helen D. Thomson was in the Army Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.