An actor, humanitarian, and the acknowledged "King of Calypso," Harry Belafonte ranked among the most seminal performers of the postwar era. One of the most successful African-American pop stars in history, Belafonte's staggering talent, good looks, and masterful assimilation of folk, jazz, and worldbeat rhythms allowed him to achieve a level of mainstream eminence and crossover popularity virtually unparalleled in the days before the advent of the civil rights movement – a cultural uprising which he himself helped spearhead.