Historian, editor, and political activist born on 10 December 1921 near Johannesburg, the child of Latvian Jews. Hirson was educated at Hebrew school in Johannesburg, and studied mathematics at the University of Witwatersrand, where he later worked as a physicist. In 1940 he joined the left‐wing Hashomer Hatzair, subsequently becoming a member of various Trotskyist groups. Between 1944 and 1946 he was a political organizer for the Workers' International League.
Hirson participated in setting up black trade unions, in extremely difficult conditions created by the Suppression of Communism Act. He became involved in the Non‐European Unity Movement, and in the late 1950s joined the Congress of Democrats, the white arm of the ANC‐led Congress Alliance.
After the Sharpeville massacre in 1960 Hirson and his colleagues highly critical of the Congress Alliance s leadership and policies organized the National Committee for Liberation which advocated sabotage as a substitute for peaceful ...