Ernst Toller (1 December 1893 – 22 May 1939) was a German author, playwright, left-wing politician and revolutionary, known for his Expressionist plays. He served in 1919 for six days as President of the short-lived Bavarian Soviet Republic, after which he became the head of its army. He was imprisoned for five years for his part in the armed resistance by the Bavarian Soviet Republic to the central government in Berlin. While in prison Toller wrote several plays that gained him international renown. They have performed in London and New York as well as in Berlin.