1913 Epsom Derby stirrup. Davison was knocked to the ground; some reports say she was kicked in the head by Anmer, but the surgeon who operated on Davison stated that "I could find no trace of her having been kicked by a horse". The event was captured on three news cameras. Davison's purpose in attending the Derby and walking onto the course is unclear. She did not discuss her plans with anyone or leave a note. Several theories have been suggested, including that she intended to cross the track, believing that all horses had passed; that she wanted to pull down the King's
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