John Heseltine enjoyed an international reputation as one of Britain's most talented illustrators during the 1960's and 70's. He studied at the South East Essex College of Art and was awarded his Teaching Diploma in 1942. He served four years in the Royal Navy Coastal Forces and exhibited in two War Artist's Exhibitions. He has exhibited at the Royal Portrait Society, The Royal Watercolour Society and been included in shows at the Victoria and Albert Museum. In 1969 he was commissioned by the IPC ( International Publishing Corporation) to portray the Investiture of HRH the Prince of Wales. The IPC also commissioned him to paint HRH Princess Anne and Captain Mark Phillips. The Royal Naval Air Station Museum at Yeovilton have his 'HMS Hermes in Action Off the Falklands' on permanent display. He has held exhibitions at the David Messum Gallery in London and at The Bourne Gallery in Surrey. His early work for Woman Magazine was celebrated in an exhibition held at the Mappin Art Gallery, Shefield in 1971. Other artists included Frank Haseler, Eric Earnshaw, Len Thurston and Fred Laurent.