The work of building the Keep was entrusted to Gundulf, a monk of BEC, in Normandy, who was shortly afterwards made Bishop of Rochester, and who probably commenced operations in 1078. In 1097, under William Rufus, the works were still going on and the inner ward was enclosed.
"Authorised Guide to the Tower of London"
W. J. Loftie
284, 307 BEC, school of, i.
"History of the English People, Index"
John Richard Green
273 Lanfranc, abbot of BEC, i.
"History of the English People, Index"
John Richard Green