<p>David Pearson spent more than four decades working for Ford's tractor business, starting on the production line at the maker's Dagenham factory before moving to the Basildon tractor plant opened in 1964. He went on to become the maker's UK sales manager, and earned a reputation among farmers and dealers as the man who knew all there was to know about Ford tractors. Along the way, he was involved in the development of some of the...