John Horton Conway

John Horton Conway is a prolific mathematician, whose work spans from the extremely serious (such as finite group theory) to the extremely recreational and what we here would call esoteric. Things he has made or investigated that may be of interest to our community include:


 * Fractran
 * Look-and-say sequences
 * The Game of Life cellular automaton
 * Surreal numbers and games
 * Collatz functions

External resources

 * John Horton Conway on Wikipedia.