"I had written this paper on pancake numbers with help from my adviser, Manuel Blum, who's a well-known computer scientist, and we submitted it to a journal called . I subsequently left graduate school to come and write for . After the paper was accepted, there was an extremely long lag between it being submitted, revised, and published. So, by the time the paper was published, I had been working at for a while, and Ken Keeler had also been hired at that point. So, finally the research article appeared, and I came in with the reprints of this article and I said, 'Hey, I've got an article in .' Everyone was quite impressed except Ken Keeler, who said, 'Oh yeah, I had a paper in that journal a couple of months ago.'" With a wry smile on his face, Cohen bemoaned: "What does it mean that I come to write for and I cannot even be the only writer on this show with a paper in ?"