Notable orphans and foundlings include world leaders, celebrated writers, entertainment greats, figures in science and business, as well as innumerable fictional characters in literature and comics. While the exact definition of orphan and foundlings varies, one legal definition is a child bereft through "death or disappearance of, abandonment or desertion by, or separation or loss from, both parents". According to the United Nations, the definition of an orphan is anyone that loses one parent, either through death or abandonment.