Michigan Democrat John Dingell announced Monday he will retire at the end of this year. Dingell, first elected in 1955, became the longest-serving Member of Congress in history last year, and has played key roles in major pieces of legislation ranging from Medicare to the Clean Air Act. Ref. USAToday
7 February, 2019 - Former Rep. John Dingell, longest serving member of Congress, dies at 92
Former Rep. John Dingell, the longest serving member of Congress on record and a politician whose voice loomed large even after he left Capitol Hill, passed away Thursday. He was 92.
"It is with a heavy heart that we announce the passing of John David Dingell, Jr., former Michigan Congressman and longest-serving member of the United States Congress," the office of his wife, Democratic Rep. Debbie Dingell, said in a statement. Ref. CNN.