Complex sentence: Albert Gregory Meyer (March 9,1903--April 9,1965) was an American prelate of the Roman Catholic Church who served as the Archbishop of the Archdiocese of Chicago from 1958 until his death in 1965, and was appointed a cardinal in 1959.
Split into simpler sentences: Albert Gregory Meyer (March 9,1903--April 9,1965) was an American prelate of the Catholic Church. He served as Archbishop of Chicago from 1958 until his death in 1965, and was appointed a cardinal in 1959.