Complex sentence: In 1964, Phillips was awarded the Harkness Fellowship, which brought him to New York where he lived from 1964 until 1966 and while there travelled throughout the United States with his close friend, Allen Jones.
Split into simpler sentences: In 1964, Phillips was awarded the Harkness Fellowship, which brought him to New York. From 1964 until 1966, he lived in New York and travelled throughout the United States with his close friend, Allen Jones.