sentences:  The story caught the attention of US philanthropist George Soros, leading to a decade-long association between the two men.According to Soros' biographer Robert Slater, Goldfarb was among the first group of Russian exiles in New York whom Soros invited to brainstorm his potential Foundation in Russia.In 1991 Goldfarb persuaded Soros to donate $100 million to help former Soviet scientists survive the hardships of the economic shock therapy adopted by the Yeltsin government.