The British mathematician John Horton Conway (born 26 Dec 1937) has died.
See this Tweet: https://twitter.com/CardColm/status/1249038195880341505
On Hacker News: https://news.ycombinator.com/item?id=22843306
John Conway is maybe known best for his cellular automaton, “Life”, AKA “Conway’s Game of Life”, devised in 1970:
Here’s an implementation for the Commodore PET, devised on the occasion: https://www.masswerk.at/pet/?run=life.txt