Jim Simons, Math Genius Who Conquered Wall Street, Dies at 86 NYT: Science By: Jonathan Kandell 10 May 2024 at 14:46 Using advanced computers, he went from M.I.T. professor to multibillionaire. His Medallion fund had 66 percent average annual returns for decades. ยฉ Mark Lennihan/Associated PressJim Simons 2007. After publishing breakthrough studies in advanced mathematics, he decided to apply his genius to a more prosaic subject โ making as much money as he could.