Warren_G._Magnuson--Henry_"Scoop"_Jackson

Warren Grant Magnuson (April 12, 1905 – May 20, 1989) was an American lawyer and politician who represented the state of Washington in Congress for 44 years, first as a Representative from 1937 to 1944, and then as a senator from 1944 to 1981. Magnuson was a member of the Democratic Party. He was Washington state's longest-serving senator, serving over 36 years. During his final two years in office, he was the most senior senator and president pro tempore.