What world leaders were present for the Potsdam Conference in July of 1945?

The Potsdam Conference in July 1945 was attended by three key world leaders: U.S. President Harry S. Truman, British Prime Minister Winston Churchill (who was later succeeded by Clement Attlee during the conference), and Soviet Premier Joseph Stalin. The meeting aimed to discuss the post-war order, peace treaty issues, and the administration of Germany following its defeat in World War II. The leaders addressed significant geopolitical concerns and laid the groundwork for post-war Europe.