timprov: I don't know if it can -- I can't see it.
me: [measuring again, giggling copiously] Your head is about an inch less around than my waist. Well, that'll teach me to measure things.
timprov: Put that on livejournal.
me: You sure you want that open to the world?
timprov: I don't see why I wouldn't. Everybody knows I have a big head.
So, as requested. He really is not lacking in noggin. But soon it will be the season of the John Popper hat, and all will be well.