Complex sentence: Born 1926 in New Haven, Connecticut, where he attended Hillhouse High School, he earned his BA degree from Yale in 1940 after entering the school at the age of 16 on a full scholarship, and his Ph.D in 1949.
Split into simpler sentences: Born 1926 in New Haven, Connecticut where he attended Hillhouse High School. He earned his BA degree from Yale in 1940 after entering the school at the age of 16 on a full scholarship, and his Ph.D in 1949.