Complex sentence: Returning to New York, Wood began attending graduate school at Hunter College, where he studied painting from 1972 to 1975, worked as a studio assistant to the painters Adolph Gottlieb and Ralph Humphrey while studying, and received an M.A. in Studio Art from Hunter College.
Split into simpler sentences: Returning to New York, Wood began attending graduate school at Hunter College, where he studied painting from 1972 to 1975. While studying, he worked as a studio assistant to the painters Adolph Gottlieb and Ralph Humphrey, and received an M.A. in Studio Art from Hunter College.