Forbes: According to Forbes Magazine, James Harris Simons has a fortune of $ 20 billion He built it using mathematics

 

According to Forbes Magazine, James Harris Simons has a fortune of $ 20 billion (actual information).  He built it using mathematics. According to Forbes Magazine, James Harris Simons has a fortune of $ 14 billion He built it using mathematics. Simons also worked for the Government as a top-secret codebreaker. This knowledge of modeling and computers is a business worth billions of dollars

https://en.wikipedia.org/wiki/James_Harris_Simons
https://www.forbes.com/profile/jim-simons/#4005fc143b6a