<p>On an August morning more that five hundred years ago, to the sound of thundering hooves, gunshot, the clash of steel and the cries of men in battle, Richard III, King of England, lost his life and the Plantagenet name came to an end. But what do we really know of the battle which became known as Bosworth Field? How do we separate fact from legend when our knowledge is based on sources which by any reckoning are meagre, garbled or partisan? In...