Complex sentence: George Michael Leader (January 17,1918--May 9,2013) served as the 36th Governor of Pennsylvania from January 18,1955 until January 20,1959.
Split into simpler sentences: George Michael Leader (January 17,1918--May 9,2013) was a Pennsylvania politician. He served as the 36th Governor of Pennsylvania from January 18,1955 until January 20,1959.