 Mason Henry Wy undertook the rebuilding, matching the Early English style of the rest of the bays but adding distinctly 14th-century detailing and ornaments.The shrine to St Amphibalus had also been damaged and it was remade.Richard of Wallingford, abbot from 1297 to 1336 and a mathematician and astronomer, designed a celebrated clock, which was completed by William of Walsham after his death, but apparently destroyed during the reformation.