Augustin Daly is often described as a foundational figure of the U.S. theater. He wrote, adapted, and produced dozens of plays in the 19th century, and he created a theater company that produced many stars of the New York stage.
Research:

Behind the Scenes Minis: Piece of Work
17:48

E. Virgil Neal: Hypnotist, Fraudster, Tycoon, Part 2
41:22

E. Virgil Neal: Hypnotist, Fraudster, Tycoon - Part 1
35:28