It's amazing that at the same age Steven Wolfram himself had written his first 100 page book "concise directory of physics) and at just one year older wrote his first book on quantum physics.
"At the age of 12, he wrote a dictionary on physics. By 13 or 14, he had written three books on particle physics. They have not been published." https://en.wikipedia.org/wiki/Stephen_Wolfram#Early_life
https://www.hnf.de/en/permanent-exhibition/exhibition-areas/...
https://en.wikipedia.org/wiki/Von_Neumann_cellular_automaton
https://en.wikipedia.org/wiki/Von_Neumann_universal_construc...