Yes, he was fascinating - he was one of the few genuine unselfconscious eccentrics I've evet known. I've got a fund of hilarious memories. The moat was at his house at Walnut Tree Farm, which he spent years renovating from a complete ruin, and he swam there practically every day. For a good insight into what he was like read Notes From Walnut Tree Farm - compiled from his dozens of notebooks by his son, Rufus, and partner, Alison.