Complex sentence: He then attended the Catholic University of America in Washington, D.C., where he was a Basselin Scholar at Theological College, earning a bachelor's degree (1962) and master's degree (1963) in philosophy.
Split into simpler sentences: He then attended the Catholic University of America in Washington, D.C., where he was a Basselin Scholar at Theological College. He there earned a bachelor's degree (1962) and master's degree (1963) in philosophy.