Complex sentence: He graduated from Swarthmore College in 1955 with a B.A. in history, served in the U.S. Army 1955--1957, stationed in Korea, and then received his law degree from Harvard Law School in 1960.
Split into simpler sentences: He graduated from Swarthmore College in 1955 with a B.A. in history. He then received his law degree from Harvard Law School in 1960.