Complex sentence: Sherwin-White returned after the War to teaching at St John's, where he also served as "Keeper of the Groves" responsible for the college garden; outside recognition in 1956 came with his election as a fellow of the British Academy.
Split into simpler sentences: Sherwin-White returned after the War to teaching at St John's, where he also served as "Keeper of the Groves" responsible for the college garden. Outside recognition came in 1956 with his election as a fellow of the British Academy.