National Museum of Nuclear Science & History
W. S. Porter worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Mangold worked in the 200 West Area at Hanford during the Manhattan Project.
Joseph W. Kennedy (1916-1957) was an American chemist. In 1940 he co-discovered plutonium with Glenn Seaborg, Edwin McMillan, and Arthur Wahl.
