Input (grade 13): Prominent hypomaniacs likely include Endymion (a mythological figure, probably describing the real person\/s), Rudyard Kipling, Vincent Van Gogh, John Keats, Andy Warhol.
Output (grade 9): Famous people with hypmania probably include Endymion, Rudyard Kipling, Vincent Van Gogh, John Keats, and Andy Warhol.