born July 19, 1827, Washington, Conn., U.S.
died April 21, 1905, Washington
U.S. politician.
He served in the Connecticut legislature (1861–62, 1864, 1869) and later in the U.S. Senate (1879–1905), where he sponsored legislation concerning patents and copyrights. He was chairman of the committee on territories (1887–93), which recommended admission of six new western states. He is remembered for sponsoring the Platt Amendment (1901), which became the basis for the withdrawal of U.S. troops from Cuba following the Spanish-American War of 1898.