His name, along with the investment management firm he founded and its flagship fund, has appeared on thewealthnet, especially during the noughties when hedge funds were popular.

But it is unlikely that Jim Simons, Renaissance Technologies Corporation (Renaissance), or the Medallion Fund, would elicit much recognition today, especially within the UK wealth management sector, despite the fact that all three are still active.

The reality is that Mr Simons is probably one of the most successful managers ever, at least based on the performance of the Medallion Fund.

According to Gregory Zuckerman, who has...