Arnold Joseph Taylor CBE (1911–2002) was a medieval historian who was an international expert on European castle building.
He was a leading expert on the Welsh castles of Edward I, identifying the origins of the architect in Savoy (now in Switzerland).
He was educated at the Merchant Taylors' School and at St. John's College, Oxford, where he read history.
[3] In 1935 he joined the Ministry of Works as Assistant Inspector in the Ancient Monuments office.
In 1953 he wrote Caernarvon Castle and Town Walls, which served as the Official Guide-Book for that important structure; it was issued by the Ministry of Public Building and Works.