Complex sentence: He attended Fordham Preparatory School and Fordham University before entering St. Joseph's Seminary in Yonkers in 1954, earning a Master's degree in history in 1958.
Split into simpler sentences: He attended Fordham Preparatory School and Fordham University. In 1954, he entered St. Joseph's Seminary in Yonkers, from where he obtained a Master's degree in history in 1958.