A very good science fiction writer.
I recommend anything with "Callahan's Bar" in the title for starters.
Now I suppose you're going to tell me you don't know who Ferdinand Feghoot is...
And by the way, I walked RIGHT into that one. I assumed it was serious, and almost replied with a joke about Aristotle refusing to make any more of the bands because Alexander insisted on cutting them off instead of untying the knot. Decided it was too lame.
