Complex sentence: He was an adjunct professor at the John Marshall Law School 1963 to 1976, and at Loyola University, Chicago, School of Law from 1977 to 1982, returning to John Marshall in 1982.
Split into simpler sentences: He was an Adjunct professor, Loyola University, Chicago, School of Law from 1977 to 1982. He became an adjunct professor at the John Marshall Law School in 1982.