National Museum of Nuclear Science & History
Robert Plott was a research assistant at the Chicago Met Lab during the Manhattan Project.
Kelly worked in the 100 D Area at Hanford during the Manhattan Project.
Lee Holmes worked for the G.G. Ray Company.
Charles C. Lauritsen was a Danish-born American physicist. Lauritsen and his wife Sigrid and son Thomas emigrated to the United States in 1916.
Martens worked in the 200 West Area at Hanford during the Manhattan Project.