Leonel Power, English composer
Leonel Power (also spelled Lionel, Lyonel, Leonellus, Leonelle; Polbero; 1370 to 1385 – 5 June 1445) was an English composer of the late Medieval and early Renaissance eras. Along with John Dunstaple, he was a dominant figure of 15th century English music. Primarily a composer of sacred music, Power is the best represented contributor to the Old Hall Manuscript.