Complex sentence: He attended Northwestern University, where he received a bachelor's degree in Chemical Engineering (B.S. Ch.E.) in 1973, and attended the University of Massachusetts Amherst and received his Ph.D. in 1977, in Polymer Science and Engineering under his advisor, Professor Stanley Middleman.
Split into simpler sentences: He attended Northwestern University, where he received a bachelor's degree in Chemical Engineering (B.S. Ch.E.) in 1973. Subsequently, he attended the University of Massachusetts Amherst and received his Ph.D. in 1977, in Polymer Science and Engineering under his advisor, Professor Stanley Middleman.