Artist and lecturer notable for his depictions of scenes from seafaring history, ships, spars and quaysides, as well as leisure pursuits of the common man and unusual crowds scenes. He painted world-wide on board ship and became artist-tutor to the College of the Sea and lecturer on art at Norwich, from 1973 based in the Scottish borders area. Work by Knox was offered by the Tallantyre Gallery, Morpeth, at the Affordable Art Fair in Battersea in 2006. His work sold well in Britain and abroad.