What do leopard spots, striped marine angelfish, and sand dune ripples have in common? Their patterns are self-organizing Turing systems! Discovered by Alan Turing in the 1950s, these repeating natural patterns can be created by the interaction of two things that spread at different speeds, one faster than the other.

I knew that name was familiar! Alan Turing is quite an interesting person. Wikipedia lists him as “a British mathematician, logician, cryptanalyst, philosopher, computer scientist, mathematical biologist, and marathon and ultra distance runner”! Furthermore, “Winston Churchill said that Turing made the single biggest contribution to Allied victory in the war against Nazi Germany” cracking codes! Read about him!