Sir Sydney has had an illustrious legal career both in South Africa and in England. In South Africa, he was appointed Senior Counsel in 1965. He represented Nelson Mandela in the Treason Trials between 1959-1961. He was a friend of, and defended, Bram Fischer (the hero of ‘An Act of Defiance), when Bram Fischer was accused of sabotage and treason, and an application was made to remove him from the Roll of Advocates for dishonourable conduct. In 1978, he represented the family of Steve Biko in the inquest into the brutal killing in police detention of Steve Biko, where he was instrumental in exposing the circumstances of Biko’s death. Kentridge practised with great distinction at the English Bar between 1977 and 2013, and was appointed Queen’s Counsel in 1984.