Robert Harold Lundie "Jock" Strachan (1 December 1925 – 7 February 2020) was a white South African writer and anti-apartheid activist. He flew for the South African Air Force during the Second World War, trained as an artist, then became Umkhonto we Sizwe's first explosives expert. He was imprisoned for sabotage, and after his release served another sentence for telling a journalist about poor prison conditions. He wrote two semi-autobiographical books, and completed the Comrades Marathon twice, winning a medal once. He married twice and had three children. Source: Wikipedia (en)