Complex sentence: He attended the University of Wisconsin and the University of Chicago, receiving his doctorate from Harvard University in x. He taught at Dickinson College from 1964 to x, as well as serving as visiting professor at the New School and Vytautas Magnus University in Kaunas.
Split into simpler sentences: He attended the University of Wisconsin and the University of Chicago, receiving his doctorate from Harvard University. He then taught at Dickinson College, as well as serving as visiting professor at the New School and Vytautas Magnus University in Kaunas.