Jack Coburn Witherop: A Coastal Visionary of the British Isles Jack Coburn Witherop (1906-1984) remains a quietly significant figure in 20th-century British art, often overshadowed by the more flamboyant movements of his time but possessing a distinct and enduring style. His legacy lies primarily in his evocative depictions of the coastal landscapes and river scenes of Britain – particularly Cornwall and Liverpool – rendered with a me…