Jim Simons, a mathematician who became one of the most successful investors in modern financial history, has died at age 86.

James Harris Simons, co-founder of the Simons Foundation, passed away at 86. He is survived by his wife Marilyn Hawrys Simons ...

James ''Jim'' Simons, a renowned mathematician and pioneering investor who built a fortune on Wall Street and then became one of the nation's biggest philanthropists, has died at age 86.

It's the closest thing we may ever get to a definitive account of how mathematics prodigy Jim Simons built hedge fund Renaissance Technologies "into the greatest money-making machine in Wall ...