Portraits are created to depict individuals and are usually commissioned by royalty, wealthy patrons, or created by artists for their own purposes. Throughout history, portraits have been created by painters, sculptors, photographers, and filmmakers to represent both real people and deities. The document discusses the evolution of portrait painting from early examples from ancient Mesopotamia and China to works by famous European artists like Rembrandt, Van Gogh, Picasso, and Braque.