This May 10 we lost James Harris Simons, a legend of high finance, the so-called “King of Quants”, the mathematician who left university and conquered the markets. In 1982, he founded the New York Renaissance Technologies, which would soon become one the greatest global hedge fund firms in the world. Forbes said of JHS that he was “arguably the world’s greatest investor”. Simons found success by applying mathematical models and computer algorithms to financial fluctuations. He turned record profits and he almost always won out. Almost…