Complex sentence: Isberg received an A.B. from Oberlin College (1977) and a Ph.D. from Harvard University (1984), and performed post-doctoral research at Stanford University (1984-1986).
Split into simpler sentences: Isberg received an A.B. from Oberlin College (1977) and a Ph.D. from Harvard University (1984). He performed post-doctoral research at Stanford University (1984-1986).