Philip Hart

Philip Aloysius Hart (December 10, 1912December 26, 1976) was an American lawyer and politician. He was a Democrat. He served as a United States Senator from Michigan from 1959 until his death in 1976. He was known as the "Conscience of the Senate."
Hart died of skin cancer on December 26, 1976 in Washington, D.C. at the age of 64.