Complex sentence: His most useful partnership has been with Professor Jennifer Loros, while notable mentors have been his graduate advisor, the late John Woodland Hastings, and the Drosophila clock geneticist Jeffrey Hall.
Split into simpler sentences: His most useful partnership has been with Professor Jennifer Loros. Notable mentors have been his graduate advisor, the late J. Woodland Hastings, and the Drosophila clock geneticist Jeffrey Hall.