Charles Rappoport (1865-1941), Member of the Russian People's Will party, later the R.S.D.L.P..
Emigrated to France, member Socialist Party and later Communist Party. Journalist and writer and the author of a number of works (The Social Philosophy of Lavrov, Materialism and Idealism in Kant etc.). He wrote a biography of Jaurès. After the Tours Congress of 1920 he entered the French Communist Party and was soon after elected to its Central Committee. In 1922-1923 he supported the Froissard (centre) group but broke from Froissard when the split came. Rappoport remained in the Communist Party until the late 1930s and then broke from Stalinism only to break from revolutionary Marxism.