Evelyn Reed was an American Marxist, Trotskyist, and women's rights activist.
Pierre Broué was a French historian and Trotskyist revolutionary militant whose work covers the history of the Bolshevik Party, the Spanish Revolution and biographies of Leon Trotsky.
George Breitman was an American communist political activist and newspaper editor. He is best remembered as a founding member of the Socialist Workers Party (SWP) and as a long-time editor of that organization's weekly paper, The Militant. Breitman also supervised and edited several important publishing projects as the head of the SWP's publishing house in the 1960s and 1970s.
Charles Curtiss was an American communist.
The International Revolutionary Marxist Tendency was an international Marxist group based in France led by Michel Pablo, also known as Michael Raptis, the former secretary of the Trotskyist Fourth International. It resulted as a regroupment of activists expelled from the Fourth International over their opposition to the 1962 re-unification process with the so-called "International Committee of the Fourth International"(ICFI) which had split from the Fourth International in 1953 over the question of entrism sui generis, a form of entryism which involved eschewing overt organisation building efforts in favour of long term participation in social democratic and communist parties. The re-unification process was rushed while Pablo was imprisoned in the Netherlands for illegal activities in support of the Algerian revolution.
Jimmy Deane was a British Trotskyist who played a significant role in building the Revolutionary Socialist League. Along with Jock Haston and Ted Grant, he played a role during the Second World War in the Revolutionary Communist Party, the British section of the Fourth International.
Lucienne Abraham, also known as Michèle Mestre, was a French Trotskyist politician.
Alec Stuart "Al" Richardson was a British Trotskyist historian and activist.
Harry Wicks was a British socialist activist.
Sam Bornstein was a British Trotskyist historian and activist.
Joseph "Usick" Vanzler, best known by the pseudonym John G. Wright, was a Jewish-American socialist, activist and translator. Vanzler is best known as the translator of a number of the important works of Leon Trotsky — materials which helped to establish to expand the influence of the Trotskyist movement in the English-speaking world.
Denzil Dean Harber was an early British Trotskyist leader and later in his life a prominent British ornithologist.
The Workers' International League (WIL) was a Trotskyist group that existed in Britain from 1937 to 1944.
Michel Pablo was the pseudonym of Michalis N. Raptis, a Trotskyist leader of Greek origin.
Joseph Leroy Hansen, was an American Trotskyist and leading figure in the Socialist Workers Party.
Pierre Frank was a French Trotskyist leader. He served on the secretariat of the Fourth International from 1948 to 1979.
Tony Cliff 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.
The Revolutionary Communist Party was a British Trotskyist group, formed in 1944 and active until 1949, which published the newspaper Socialist Appeal and a theoretical journal, Workers International News. The party was the ancestor of the three main currents of British Trotskyism: Gerry Healy's Workers Revolutionary Party, Ted Grant's Militant and Tony Cliff's Socialist Workers Party.
Edward Grant was a South African Trotskyist who spent most of his adult life in Britain. He was a founding member of the group Militant and later Socialist Appeal.
Far-left politics in the United Kingdom have existed since at least the 1840s, with the formation of various organisations following ideologies such as Marxism, revolutionary socialism, communism, anarchism and syndicalism.
