In the span of five years, pioneering director D.W. Griffith delivered some 450 films for the Biograph Company at a rate of two or three films per week. One and two reels in length, these works showed the filmmaker inventing, borrowing, and perfecting techniques he later used to memorable effect in "The Birth of a Nation," "Intolerance," "Way Down East" and "Orphans of the Storm." Including Lillian and Dorothy Gish, Mary Pickford, Mack Sennett, Lionel Barrymore, Henry Walthall, and Mae Marsh. Am...