Arthur Pollen (1866-1937) trained as a barrister but eventually became a successful businessman. In 1900 he became interested in the problem of aiming naval artillery after witnessing a practice firing at sea. From that time he formulated his ideas for a system of firing accurately at long range and in 1906 he persuaded the Admiralty to co-operate in the development of his proposals. However, Pollen's ideas were not adopted as an influential...