Hello, I lived in Wimbledon from 1986 to about 1996 and had not heard of him.
Forum member John Wakeley ("Heater Cathode Short") had a shop in Collier's Wood or thereabouts, so may know the answer:
http://www.vintage-radio.net/forum/s...2&postcount=38
Can you recall where in Wimbledon he was?
Nick.