Karl Rappan

Karl Rappan was a prominent Austrian football coach and player, known for revolutionizing Swiss football with his innovative 'Riegel' system of defensive play. He had a remarkable coaching career, particularly with Grasshopper Club Zürich, leading them to multiple Swiss Cup victories. Rappan's influence extended beyond club football, as he also served as the Swiss national team's coach. His legacy is marked by both his tactical innovations and his controversial involvement with Nazi organizations during World War II, from which he emerged largely unscathed.