The Non-Jewish JewIsaac Deutscher is widely recognised as one of the foremost political biographers of the twentieth century. His full scale studies of Trotsky and Stalin, translated into many world languages, have played a major role in elucidating the character and fate of the Russian Revolution. He died on 19 August 1967, at the height of his powers. From his papers, his widow, Tamara Deutscher, selected and edited a group of essays and articles with a special unity