Arthur Melbourne-Cooper Derby" of 1913 at Epsom, in which suffragette Emily Davison can be seen being trampled to death by the King's racing horse. It was filmed by Cooper with his camera at the finish and his brother Hubert at Tattenham Corner. Both companies were wound up at the outbreak of the First World War when Andrew Heron reported himself for active service. Cooper became munition inspector in Luton, while the family lived nearby in Dunstable. After the First World War, Cooper and his family moved to Blackpool where he became manager of Animads, a subdivision of Langford's Advertising Agency Ltd. He
Epsom Derby a long history of horse-racing, and James Stanley, 7th Earl of Derby, who gained the Lordship of Mann in 1627, instituted horse-racing on the Langness Peninsula on the Isle of Man, donating a cup for what became known as the "Manx Derby". The Derby originated at a celebration following the first running of the Oaks Stakes in 1779. A new race was planned, and it was decided that it should be named after either the host of the party, the 12th Earl of Derby, or one of his guests, Sir Charles Bunbury (the Bunbury Cup run at Newmarket would later