Bill Browder crosses Red Square in 2004, at the height of Hermitage Capital Management's success. James Hill/Courtesy of the Browder Family Archives hide caption

itoggle caption James Hill/Courtesy of the Browder Family Archives

Russian tycoon Boris Berezovsky talks to the media on Aug. 31, 2012, after losing his case against Russian oligarch Roman Abramovich in London. Berezovsky was found Saturday dead at his home in Britain. Sang Tan/AP hide caption

itoggle caption Sang Tan/AP