Complex sentence: Thompson received his B.A. at Pomona College and his Ph.D. at Cornell University and was a professor of humanities at the Massachusetts Institute of Technology (MIT) and then at York University in Toronto.
Split into simpler sentences: Thompson received his B.A. at Pomona College and his Ph.D. at Cornell University. He was a professor of humanities at the Massachusetts Institute of Technology (MIT) and then at York University in Toronto.