We may recognize similarities between comedies by Moli?re, Marivaux, Goldoni and Beaumarchais; but it is not fully appreciated that these playwrights belong to a single continuous genre of comedy inspired by Plautus and Terence. In fact comedies which we can call Classical were first composed by Humanists such as Ludovico Ariosto; and their format was quickly taken up by improvising actors of what we now call commedia dell'arte. The erudite and...