Sir John "Kyffin" Williams, KBE, RA was a Welsh landscape painter who lived at Pwllfanogl, Llanfairpwll, on the Island of Anglesey. Williams is widely regarded as the defining artist of Wales during the 20th century.
Williams was born in Llangefni, Anglesey one of two sons into an old landed Anglesey family. His father was a bank manager. Williams wrote that his mother was an emotionally repressed woman who had a virulent dislike of the Welsh and the Welsh Language. Kyffin Williams was educated at Moreton Hall School then Shrewsbury School where he contracted polio encephalitis which lead him to develop epilepsy a misfortune he later described as "my greatest fortune". Joining the 6th Battalion Royal Welch Fusiliers as a lieutenant in 1937. After he failed a British Army medical examination in 1941 (because of epilepsy), his doctor advised him to take up art for the sake of his health. Developed a passion for art when he discovered the works of Piero Della Francesca.
Despite academic difficulties, (he was told initially by his tutor that he couldn't draw) Williams enrolled at London's Slade School of Fine Art in 1941 (then relocated in Oxford). When he finished his 3 years there he left with the Slade Portrait Prize. He then achieved his then ambition which was to teach art and taught at Highgate School, London, where he was senior art master from 1944 until 1973. His pupils included the historian Sir Martin Gilbert, Royal Academicians Anthony Green and Patrick Procktor and composers John Tavener and John Rutter. In 1968 he won a scholarship (Winston Churchill Fellowship) to study and paint in Y Wladfa; the Welsh settlement in Patagonia. However Wales never left his consciousness or imagination, as he would return home in holidays, take his study sketches back to London and complete his canvasses. Williams particular technique was applying thick oil paint with a palette knife. Williams was predominately a landscape painter however he also was an accomplished portraitist and something of a cartoonist. Williams paintings basically divide into three subjects Venice, Patagonia and by far the largest section Wales. In 1968 he won a scholarship that took him to the Welsh community in Patagonia, South America. This added a significant body of work to his oeuvre, (nearly 50 Patagonia paintings) and the light in Patagonia, radically changed his palette.
On retiring from Highgate school Williams returned to Anglesey and spent the next 30 years, painting, promoting Welsh schools of Art and Welsh art in general.
Never having married Williams died, without heirs, on 1 September 2006, aged 88, at a nursing home in Anglesey. He had been suffering from lung cancer, believed to be a result of working with lead-based paints. Williams was buried at St Mary's Church, Llanfair-yng-Nghornwy. Paying tribute to Williams after his death, bass-baritone singer and Williams collector Bryn Terfel said, "I'm deeply saddened by the passing of Wales's foremost ambassador in the visual arts. Long may his memory live on in the legacy of his numerous, wonderful paintings."
In 1949 Williams had his first one-man-show at a private gallery in London. His first Patagonia exhibition took place in 1971. Later in 2006, the Welsh singer and Manic Street Preachers frontman James Dean Bradfield included a track called "Which Way to Kyffin", dedicated to Williams, on his album The Great Western.
His works typically drew inspiration from the Welsh landscape and farmlands. His works may be seen in a permanent exhibition in the Oriel Kyffin Williams Gallery which opened in 2008 at Oriel Ynys Môn in Llangefni, Anglesey, as well as at many other galleries elsewhere in Britain. He was president of the Royal Cambrian Academy and was appointed a member of the Royal Academy in 1974.
In 1995 Williams received the Glyndŵr Award for an Outstanding Contribution to the Arts in Wales during the Machynlleth Festival. He was awarded the OBE for his services to the arts in 1982 and a KBE in 1999.
The Kyffin Williams Drawing Prize was established in 2009. The winning works from the 2018 prize are due to be exhibited at the Oriel Kyffin Williams Gallery.
In February 2011 it was announced that Williams' paintings of Patagonia would be shown for the first time. His last passport, on show in the Oriel Ynys Môn gallery at Llangefni, 2004–2014, has the name Sir John Williams. Kyffin was his grandmother's maiden name.
Williams was a great raconteur and also a fine writer publishing his autobiography in "Across the Straits" and "A wider sky".
The National Library of Wales was one of the first national institutions to purchase one of his works in the late forties and continue to support his work throughout his life. In acknowledgement of his gratitude for their support he bequeath them his papers and a significant body of his works to the National library. They now hold probably the largest single body of his works.

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