Tony Cliff

Tony Cliff (born Yigael Glückstein, ; 20 May 1917 – 9 April 2000) was a Trotskyist activist. Born to a Jewish family in Ottoman 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. Provided by Wikipedia