Note 348 — Chapter XI · MILITARY ARCHITECTURE IN THE LATER MIDDLE AGES: FORTIFIED TOWNS AND CASTLES
Reading edition
The gatehouse and barbican in the east curtain, as well as the older portion of the dwelling-house, were the work of Thomas Beauchamp, earl of Warwick (d. 1369): Cæsar’s tower and Guy’s tower were the work of his son Thomas, who died in 1401.