Former U.S. Rep. John Dingell (D) passed away Thursday at the age of 92. Dingell represented a U.S. House seat near Detroit, Michigan, from 1955 to 2014. He was the longest-serving member U.S. House in American history with nearly 60 years in the chamber. Throughout his tenure, he served on the House Energy and Commerce Committee including several periods as chairman. Dingell was replaced by his wife, Debbie Dingell (D), after retiring ahead of the 2014 elections.