明治学院大学
In October 1946, after his military discharge, Viglielmo transferred to Harvard University to continue his study of Japanese in the then-Far Eastern Languages Department. He received his A.B. degree "magna cum laude" in June 1948. He was accepted into the Harvard graduate program for Fall 1948, but chose instead to go to Japan for a three-year position teaching English as a foreign language at Meiji Gakuin University in Tokyo.