Explanation:
The Actor's Nightmare is a short comic play by Christopher Durang. It involves an accountant named George Spelvin, who is mistaken for an actor's understudy and forced to perform in a play for which he doesn't know any of the lines.
Louis Armstrong helped break down the barrier by being a black trumpeter during racism. He was a good player and made a lot of great music which helped inspired young black children to become musicians and then start to integrate into places that normally white people hold.
Answer:
The Vitruvian Man is a drawing made by Leonardo da Vinci in about 1490