For a longer read, I can highly recommend the book "The Man from the Future" by Ananyo Bhattacharya. It's quite an easy read and extensively discusses the life and discoveries by John von Neumann in chronological order.
Hour long author's interview about the book
<a href="https://www.youtube.com/watch?v=_N1CZb4hel0" rel="nofollow">https://www.youtube.com/watch?v=_N1CZb4hel0
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