John Horton Conway
John Horton Conway (1937-2020) was a prolific mathematician, whose work spanned 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:
- Look-and-say sequences
- The Game of Life cellular automaton
- Surreal numbers and games
- Collatz functions
- John Horton Conway on Wikipedia.