Charlie Chaplin and Mack Sennett have been household names for 100 years, but few people know how they got their start in the film industry. Who were the people behind the scenes; the career-makers of the early 1900s in film? They were brave pioneers like author Jillian Ada Kelly's great-grandfather Charles O. Baumann who helped forge a new industry and set the standard for how films are made to this day. Before there was ever a Hollywood, there were great filmmakers, producers, directors, and movie executives; those who paved the way for the greatest industry in the world, the movie...