The number of American-born all-time greats in the field of writing, painting, and composing is legion, but given the nation's relative inception (conceived on July 4th, 1776, for those wondering), the late start afforded citizens of the United States in those fields has largely rendered their significance and impact to secondary status, at least in historical studies and critics lists.On the other hand, the rise of Hollywood and its moving pictures can trace long parallels with the emergence of the United States' international dominance. In many ways, the two can trade examples of cause and effect -- are American films so dominant because of the nation's stature in the world, or does the country enjoy its status in part because of its contribution to world cinema? -- but regardless of chicken/egg pondering, what is abundantly clear is that the country's greatest actors have dominated the cinema and culture map for over a century.More... (http://www.huffingtonpost.com/2011/07/03/greatest-american-actors-_n_889471.html)