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David T. Dellinger (August 22, 1915 – May 25, 2004) was an American pacifist and an activist for nonviolent social change. Although active beginning in the early 1940s, Dellinger reached peak prominence as one of the Chicago Seven, who were put on trial in 1969. Description above from the Wikipedia article David Dellinger, licensed under CC-BY-SA, full list of contributors on Wikipedia.