Maurice de Berkeley 1243 and, on 14 December 1243, he had livery of his father's lands. He fought in the war in North Wales and in 1264 he joined the Barons against King Henry III. Berkeley died on 4 April 1281 and was buried in St Augustine's Abbey in Bristol. Maurice de Berkeley Sir Maurice de Berkeley "the Resolute" (1218 - 4 April 1281), 5th (feudal) Baron de Berkeley, was an English soldier and rebel, residing at Berkeley Castle in the English county of Gloucestershire. Maurice was born in 1218 to Thomas de Berkeley and Joan de Somery. He married Isabel FitzRoy, the
University of California, Berkeley in the world during World War II, and was the founder of the Berkeley Center for Theoretical Physics. Faculty member Edward Teller was (together with Stanislaw Ulam) the "father of the hydrogen bomb", who laid important foundations for the establishment of Space Sciences Laboratory at Berkeley. Ernest Lawrence, a Nobel laureate in physics who invented the cyclotron at Berkeley, and founded the Radiation Laboratory on campus, which later became the Lawrence Berkeley National Laboratory. Nobel laureate Glenn T. Seaborg discovered or co-discovered 10 chemical elements at Berkeley and served as the Chancellor of UC Berkeley from 1958–1961. Former United States