View full lesson: http://ed.ted.com/lessons/the-battle-of-the-greek-tragedies-melanie-sirof The world of modern theater owes its roots to the tragedians of Ancient Greece. As far back as the 5th Century BCE, actors and playwrights were entertaining the masses with intriguing stories. Melanie Sirof unveils the ancient theatrical innovations that made the way for Broadway. Lesson by Melanie Sirof, animation by Andrew Foerster.