Who is Orson Welles and which film is he most known for?

Orson Welles is a significant figure in the history of cinema, widely recognized for his innovative approach to filmmaking and storytelling. He is most renowned for directing and starring in "Citizen Kane," a film that is frequently cited as one of the greatest movies of all time.

"Citizen Kane," released in 1941, is celebrated for its groundbreaking narrative structure and visual style. Welles employed innovative techniques such as deep focus cinematography, non-linear storytelling, and innovative use of sound. The film explores the life of Charles Foster Kane, a character loosely based on real-life media magnate William Randolph Hearst, and comments on themes of power, ambition, and the nature of truth.

Welles's contributions to film extend beyond "Citizen Kane," but this film remains the cornerstone of his career and a pivotal moment in film history, showcasing his talent as both a director and an actor.