Ralph S. Plaisted Papers. 1/8/1966 - 4/20/1968. Plaisted Polar Expedition Diaries
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Plaisted, Ralph (Ralph Summers), 1927-2008
http://n2t.net/ark:/99166/w6kh3dnw (person)
Ralph Summers Plaisted (b. Sept. 30, 1927, Brunno, Minn.–d. Sept. 8, 2008, Wyoming, Minn.) was an insurance salesman turned Arctic explorer. He, with Walt Pederson, Gerry Pitzl and Jean-Luc Bombardier, were the first explorers to succeed in a surface traverse across the ice to the North Pole on April 19, 1968, making the first confirmed surface conquest of the Pole. From the description of Plaisted, Ralph (Ralph Summers), 1927-2008 (U.S. National Archives and Records Administration)....
