Complex sentence: Mottahedeh graduated from George School in Newtown, Pennsylvania in 1957, and from Harvard University, with a B.A. in 1960 and a Ph.D. in 1970.
Split into simpler sentences: Mottahedeh graduated from George School in Newtown, Pennsylvania in 1957. He received two degrees from Harvard-a B.A. in 1960 and a Ph.D. in 1970.