Georgios Papandreou was a Greek politician, the founder of the Papandreou political dynasty. He served three terms as the prime minister of Greece (1944–1945, 1963, 1964–1965). He was also deputy prime minister from 1950 to 1952, in the governments of Nikolaos Plastiras and Sofoklis Venizelos. He served numerous times as a cabinet minister, starting in 1923, in a political career that spanned more than five decades.
After studying law in Athens and political science in Berlin, Papandreou enlisted as a volunteer in the First Balkan War. He first run for political office in the 1920 national elections and was a principal member of the 11 September 1922 Revolution that overthrew King Constantine I.