Complex sentence: J. Evans Attwell (March 25,1931-October 27,2007) was the youngest Managing Partner of Vinson & Elkins from 1981-1991.
Split into simpler sentences: J. Evans Attwell was born on March 25,1931, and died October 27,2007. He was the youngest Managing Partner of Vinson & Elkins, from 1981-1991.