Edvard Benes was a key figure in the history of Czechoslovakia in the first three decades of her existence. He helped Thomas Masaryk to found the state in World War I; and in the 1920s he worked on foreign policy and was briefly prime minister before being elected president in 1935. His presidency saw the loss of the Sudetenland at Munich in 1938, followed by the German occupation in 1939, which forced Benes to form a London-based government-in-exile...