National Museum of Nuclear Science & History
Jessen worked at the 300 Area at Hanford during the Manhattan Project.
Greening worked in the United States Engineer District Office.
C. L. Kolb worked for the Roane-Anderson Company.
Joseph W. Kennedy (1916-1957) was an American chemist. In 1940 he co-discovered plutonium with Glenn Seaborg, Edwin McMillan, and Arthur Wahl.