Isaac James Cullin was born at E.D. 6, Ward 15, New York City, U.S.A, on 18 June 1859, son of Irish born James R. Cullin (born c.1825), and his English wife Hannah née Powell (born c.1830). In 1860, living at 3rd District, 15th Ward, New York, 36-year-old James and 26-year-old Hannah, with their three children, Anna 5, William 3 and Isaac 1. Isaac started his art career as a portrait painter and he exhibited at The Salon, New York in an exhibition of American Artists in 1882, 'Portrait of M B', but his interest in horses and his artistic skill led him to concentrate on equestrian portraiture and from 1882 painted mostly racehorses and watercolours of races and numerous other equestrian events. Also exhibited at the Royal Academy, He was in London by 1882 when commissioned to paint 'The Lawn at Goodwood' in which was included the then Prince of Wales, later King Edward VII. In 1883 he collaborated with John Alfred Wheeler (1821-1903) in painting that year's Grand National winner and he later went on to produce sporting illustrations for 'The Illustrated London News'. Isaac married at St George's Hanover Square, London in 1890, Fanny [Frances] née Albrecht (1868-1942), who was born at Bordeaux, France. By 1901, he was living at Newmarket, Suffolk and in 1911 was a 52-year-old artist living at Sandiver House, St Mary's Square, Newmarket with his 43-year-old wife Fanny and three children, two sons James 20 and William 17, both born at Fulham, London and 14-year-old daughter Hannah, born at Kensington. Cullin's talent lies in his splendid portrayal of both people and horses in action. His horses are painted strongly, accurately, and photographically, such is the attention paid to detail in every movement. Isaac James Cullin died at the British Home & Hospital for the Incurables, Crown Lane, Streatham, London on 21 March 1942, and his wife died at Cambridge in the same year. The highest recorded sold price was for the racing work The Finish which sold for £32,900 Pounds sterling at Christie's in 2000.