Tony Cliff

Tony Cliff (born Yigael Glückstein (Hebrew: יגאל גליקשטיין); 20 May 1917 – 9 April 2000) was a Trotskyist activist. Born to a Jewish family in Palestine, he moved to Britain in 1947 and by the end of the 1950s had assumed the pen name of Tony Cliff. A founding member of the Socialist Review Group, which became the International Socialists and then the Socialist Workers Party. In 1977, Cliff was effectively the leader of all three.