From: utzoo!decvax!harpo!seismo!rocheste!gary Newsgroups: net.jokes Title: Re: Mathematician Joke: Another Version Article-I.D.: rocheste.410 Posted: Thu Jan 13 12:33:20 1983 Received: Sat Jan 15 04:57:52 1983 References: ihlpb.218 I heard the end as, One guy says "oh, I see how you did it, just multiply 20 mph times the time it takes for them to hit", to which Von replies, "Well, I just summed the infinite series." I think this is a better way to tell it (no offense to original joke poster). gary cottrell (...!seismo!rochester!gary)