Malcolm ‘Mac’ Hulke (1924 – 1979) was a successful writer for television, film, the theatre and the radio from the 1950s to the 1970s. His work included episodes for such major television series as Pathfinders in Space, The Avengers, Crossroads, Danger Man, Sergeant Cork, and Doctor Who. He also wrote four Crossroads novels and seven Doctor Who novels; The Making of Doctor Who with his friend Terrance Dicks; and the influential Writing for Television in the 1970s which brought togetherall his experience and expertise in his craft. Mac was active in his trade union, the Writers’ Guild, and a member of the Communist Party for a time. His political views fed subtly into his work on occasions. This is the first biography of Mac Hulke to be published and draws upon interviews with his friends, family and work colleagues; his scripts, novels and non-fiction works; his letters to friends and family; and his MI5 file.