Principals At Teheran Conference -- Joseph Stalin, Russian premier (left), sits with President Franklin D. Roosevelt of the United States and Prime Minister Winston Churchill (right), on the porch of the Russian Embassy at Teheran, Iran, during their four-day conference at which they drew plans to concentrate the total military might of Russia, United States and Britain on a "Relentlessly Increasing" Basis Guaranteeing victory over Germany. This is one of a series of photos on the conference made by U.S. Army 12th Air Forces photographers and pleased by the War Department in Washington. December 05, 1943. (Photo by Associated Press Photo).