Career
He was one of the defendants during the Treason Trial, on his arrest he shared a cell with Nelson Mandela. Foreign safety reasons he had to seek exile in Ireland. Later, he became a prominent figure in the Marxist Workers Tendency of the African National Congress. While in exile, he was presumed dead by the African National Congress. In the 1980s he was featured on the front cover of an official history of SACTU, the African National Congress trade union.
At the time, the authors and the African National Congress mistakenly listed Nimrod as being already dead.