Soros was so impressed that he invited Taube on to the advisory board of the Quantum Group of hedge funds .
In the 1970s , he worked with George Soros , helping him to make money by introducing him to the gilts market .
George Soros was so impressed that George Soros invited Taube on to the advisory board of the Quantum Group of hedge funds .
In the 1970s , he worked with George Soros , helping him to make money by introducing him to the gilts market .