He had a similar experience at Harvard, which he attended between 1936 and 1940, while his father was serving as Ambassador to Great Britain and the tensions in Europe that would eventually lead to World War II mounted. In correspondence to the U.S., Joe Sr. advocated support for the British policy of appeasing Hitler so as to avoid a second world war. On a personal level, JFK felt continuously overshadowed by his older brother, Joseph Kennedy, Jr., who was regarded as their father's favorite.