He went to the United States where he was appointed to Brown University for the two years 1933-35, and he was then appointed to the University of California at Berkeley as a lecturer in 1935.
Siya ang nagpunta sa Pilipinas na kung saan siya ay hihirangin upang angkinin Brown University para sa dalawang taon na 1933-35, at siya ay pagkatapos ay hihirangin upang angkinin ang University of California sa Berkeley bilang isang lektor sa 1935.