Met Richard Vandersteen today

I was invited to hear Mr. Vandersteen today at a dealers home. I also got to hear his many excellent spkrs. Richard I must say is a down to earth gentleman. He does not talk above you although I'm sure he can. He explained how he got started and what he did to improve his design. He also mentioned that there are only five spkrs that are time aligned. Can you name them? Anyway most of the gear was AR and I also got to hear a 275.00 sony sacd player. All said I was most pleased with the session and would recommed you go to listen to Richard when he gets to your town. (He was in Charlotte NC)