Interesting how the ringleader appears to be significantly older than the other participants. This is a common pattern. As I recall, the poet Ginsberg was older than his hippy hangers-on. And I've read of that "older leader" pattern in groups as wide apart as graffiti crews or revolutionary movements. I guess that forming these kinds of small scenes relies a lot of charisma and vision, people tend to accumulate those with age, and older people tend to have a magnetic effect on younger followers.