Three new playwrights of the twentieth century were
harriet beecher stowe
george l. aiken
eugene o'neill
maxwell anderson
elmer rice

Three new playwrights of the twentieth century were the last three here - Eugene O'Neil, Maxwell Anderson, and Elmer Rice. Harriet Beecher Stowe didn't write plays and lived during the 19th century, and George I. Aiken was a playwright indeed, but during the 19th century as well. These three men wrote many plays during their lives, and won many awards for them.

The common sense pamphlet i think