Everyone associates Henry Ford with his famous' Model T, the Tin Lizzie, and with the birth of mass production. But he was a man of startling contrasts: a billionaire who hated bankers; a pacifist who published anti-Jewish pamphlets. One of his greatest talents was for publicity. He started his own film unit in 1914, and over a million feet of the film it made survives - a record of an industry that reeled from dizzy success to near-disaster, of a man whose ideas dominated the first half of our century. Here is the best of it. Written and produced by DICK GILLING