John Hartley "Jack" Howman ID served as a Rhodesian Front MP in Salisbury and the Minister of Tourism and Information in the cabinet of Prime Minister Ian Smith. He was one of the signatories to the Unilateral Declaration of Independence on 11 November 1965. He was also Minister of African Education until 1963.Howman was one of Smith's closest confidantes and friends in his cabinet and accompanied him to the Gibraltar Conferences in 1966 and 1968.