James Simons left behind a legacy in mathematics, finance and philanthropy, as well as a massive personal fortune and a yacht, when he passed away at age 86 last week.
The billionaire, who founded the extremely successful hedge fund Renaissance Technologies, built up a personal fortune worth $31.4 billion over the course of his lifetime and used billions of that money for charity, according to Forbes. His charitable organization, the Simons Foundation that he co-founded with wife Marilyn, provides funding for science, education, autism and other areas.
At one point in the 2000s, Simons reportedly used some of his wealth to acquire a yacht for himself….