Complex sentence: He is the Distinguished Professor of History Emeritus at Lehman College and the Graduate School of the City University of New York and was the founder and first director of the Center for Lesbian and Gay Studies at the CUNY Graduate School.
Split into simpler sentences: He is the Distinguished Professor of History Emeritus at Lehman College and the Graduate School of the City University of New York. He was the founder and first director of the Center for Lesbian and Gay Studies at the CUNY Graduate School.