Bishop of Winchester Saints Birinus and Agilbert. It was transferred to Winchester in AD 660. During the Middle Ages, it was one of the wealthiest English sees and its bishops have included a number of politically prominent Englishmen, notably the 9th century Saint Swithun and medieval magnates including William of Wykeham and Henry of Blois. A cathedral at Dorchester was founded in 634 by the Roman missionary Saint Birinus. It was the seat of a Bishop of the West Saxons; the episcopal see for that kingdom was moved to Winchester in 660 and so the Wessex Bishops of Dorchester were succeeded by the
Winchester Cathedral south and east walls were reinforced by diver William Walker, packing the foundations with more than 25,000 bags of concrete, 115,000 concrete blocks, and 900,000 bricks. Walker worked six hours a day from 1906 to 1912 in total darkness at depths up to , and is credited with saving the cathedral from total collapse. For this he was awarded the MVO. In 1931 the new Dean, E. Gordon Selwyn founded the Friends of Winchester Cathedral. A key element of the Friends’ policy was to “undertake schemes of repair which the Dean and Chapter consider necessary.” Dean Selwyn identified the need