Yeah, and if anybody wants to see what he looks like, there's some rubbishy pictures of him with a tash, behind the scenes on Through The Dragon's EyeHERE, and appearing in Scene in the late 70s HERE.
Rather niftily, he also appeared in Bob and Carol look for treasure, which was of course the first proper L&R story from the 60s, in flashbacks as the bad-tempered Kent brother. He's the one on the right in the portraits of the Kents on the Bob and Carol page.
Oh, and he also narrated Through The Dragon's Eye for the story cassette. I think that's the limit of his Look & Read involvement, he's certainly done plenty.