Complex sentence: He served as dean of St. Paul's Cathedral, Fond du Lac, Wisconsin from 1912 to 1919 and as warden of Bard College from 1919 to 1933.
Split into simpler sentences: He served as dean of St. Paul's Cathedral, Fond du Lac, Wisconsin from 1912 to 1919. He was warden of Bard College from 1919 to 1933.