 Karnehm, who had served a five-year spectacle-making apprenticeship, made many pairs in his family business, but his upside-down design was a considerable improvement - it offered wider peripheral vision - and helped Taylor win the 1985 world title.Despite being best-known to snooker audiences, Karnehm's passion was billiards.As a non-professional player, he was a ten-time London Amateur Billiards Champion, and also won the English Amateur Billiards Championship in 1969.