In 1967, he returned to the United States to become a teacher and university administrator. He received a Rockefeller fellowship at the Writers Workshop of the University of Iowa where he later taught as a Fulbright exchange professor. Santos has also received a Guggenheim Foundation fellowship, a Republic Cultural Heritage Award in Literature as well as several Palanca Awards for his short stories. Scent of Apples won a 1980 American Book Award from the Before Columbus Foundation.
