A billionaire math genius uses his own money to give hundreds of teachers a $15,000-a-year raise. August 22, 2017 Investments Jim Simons might be the richest man you’ve never heard of. Photo by Cindy Ord/Getty Images. Dubbed the world’s smartest billionaire by the Financial Times, Simons made obscene amounts of money, in large part, by being better at math than Continue reading → Investments labor, money-work
