John Conway is a prolific mathematician who researches the theory of finite groups, knot theory, number theory, combinatorial game theory and coding theory. He has also contributed to many branches of recreational mathematics, notably the invention of the cellular automaton called the Game of Life.
2/24/2012; 74 minutes
https://www.uctv.tv/shows/Tangles-Bangles-and-Knots-with-John-Conway-23319