Roosevelt took only one member of the State Department to Teheran: Charles "Chip" Bohlen, who succeeded Loy Henderson as chief of the Russian desk in the European section. But Bohlen did not go to the conference as a presidential advisor. He was there only to serve as FDR's interpreter and notekeeper in his discussions with Stalin. Bohlen made no objection. If anything, he was relieved.
Bohlen was living proof of the effectiveness of the Litvinov purge of Henderson and the European section chief, Ray Atherton. The suave handsome Harvard graduate was walking a tightrope between loyalty to Henderson and a readiness to hew the White House line on Soviet Russia. As he put it in his memoirs: "Like Henderson, I, too, thought we were dealing with the Soviets on an emotional rather than a realistic basis." But he "did