Complex sentence: He received a bachelor's degree (B.S.) with honors and distinction from Iowa State University in 1968, and earned a combined master's degree (M.A.) and doctoral degree (Ph.D.) in economics from the University of Wisconsin-Madison in 1972.
Split into simpler sentences: He received a bachelor's degree (B.S.) with honors and distinction from Iowa State University in 1968. He earned a combined master's degree (M.A.) and doctoral degree (Ph.D.) in economics from the University of Wisconsin-Madison in 1972.