Complex sentence: In 1976, Rose received the Yale Medal for outstanding service to the University; in 1991, he received the Medal of Honor from the Yale Science and Engineering Society; and in 1988, Yale awarded him an honorary Doctor of Humane Letters degree.
Split into simpler sentences: In 1976, Rose received the Yale Medal for outstanding service to the University and in 1991, he received the Medal of Honor from the Yale Science and Engineering Society. In 1988, Yale awarded him an honorary Doctor of Humane Letters degree.