He was an ordinary member of the Institute for Advanced Study from 1940 to 1946 (holding year long appointments which were renewed every year), then he was a permanent member until 1953.
Siya ay isang karaniwang miyembro ng Institute for Advanced Study 1940-1946 (may hawak na mahabang taon na pakikipagtipan na kung saan ay renewed bawat taon), at pagkatapos, siya ay isang permanenteng kasapi hanggang sa 1953.