Crossword Genius

Inventor of the stage? (2-6)

Ross

I believe the answer is:

ad-libber

'inventor of the stage?' is the definition.
(I've seen this in another clue)

This is the entire clue.

I've seen this clue in The Sun and the L.A. Times Daily.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.