claim: Mikhail Prokhorov is not the former President of Onexim Group.
evidence: Hugo Graf -LRB- born Rehestadt 10 October 1892  : died Gotha 23 October 1958 -RRB- was a German Communist politician .. Rehestadt. Amt Wachsenburg. Gotha. Gotha. German. Germany. Communist. Communist party of Germany. politician. politician