I had written this paper in 1957 called Heuris… something… something about heuristics, and that made quite a hit. It was never published, but it was circulated all over the world, and that’s what I worked on, making… improving that theory, and… I think in 1961 I published a huge paper called Steps Toward Artificial Intelligence, which was… I know, the… the early paper was called Heuristic Aspects of the Artificial Intelligence Problem; heuristic means the art of discovery, how do you invent things; and so I had written this paper which was published at Lincoln and circulated, but was never in a journal. Then in 1961 I published… I was almost… it’s almost a book, and that was… Steps Toward Artificial Intelligence. And that… that sort of established the whole field as being pretty serious because it had 300 references, and… and in fact the bibliography was published by Licklider as an appendix to his paper on man-machine interaction; Licklider had turned into a prophet in the meantime.