Abram L. Sachar, an American historian and founding president of Brandeis University, wrote that "the genocide was cited approvingly twenty-five years later by the Fuehrer... who found the Armenian 'solution' an instructive precedent".[5] Richard Lichtheim [ru], one of the German Jews who, as a young leader of the Zionist movement, feverishly negotiated with Ittihadist leaders in wartime Turkey, described the "cold-bloodedly planned extermination of over one million Armenians (kaltblutig durchdacht)" as an act of perpetration "akin to Hitler's crusade of destruction against the Jews in the 1940–1942 period".[6][7]:409 According to historian Stefan Ihrig, that there is considerable evidence that Nazi worldview was shaped by the Turkish revolution and getting away with genocide.[3]