Didn't know him personally but in my mid 60s college days, the Surbiton club was a place I often visited- with a varied guestlist- from Sonny Terry & Brownie Magee to Bob Davenport & the Rakes-

in fact the first place I came across the latter & found out about the inspirational 'Fox' at Islington.

Also the first place I met Rod Stradling, who arrived with a 12-string & did a fine version of 'Norwegian Wood'. Later became a regulat ar Rod & Danny's excellent 'Fighting Coccks' folk club in nearby Kingston.
RIP Derek- have a lot to thank you for....