Short answers, pulled from the story.
The word magic traces back to the Greek term mageia, which emerged from centuries of conflict between Greeks and Persians. Persian priests known as magosh became known as magoi to their Greek enemies before evolving into the concept of mageia.
Jean Eugène Robert-Houdin opened his magic theatre in Paris on the 1st of January 1845. He transformed the art form from fairground spectacle to a paid theatrical experience using mechanical automata constructed by his trade as a clockmaker.
J N Maskelyne and partner Cooke ran their show at the Egyptian Hall in London's Piccadilly for 31 years starting in 1873. Maskelyne invented levitation illusions still performed today while exploiting stage mechanics and audience perspective control.
David Copperfield used a Commodore 64 computer to create a magic show for his audience in 1984. This event marked early integration of computing technology into live performances.
Other performers publicly criticized and ostracized Justin Flom after he disclosed trick mechanics via Facebook videos in 2020. Membership in organizations like The Magic Circle requires commitments never revealing secrets to non-magicians.