John Dunstable (ca. 1390-1453) was the most celebrated English composer of the entire 15th century. His works were known and imitated all over western Europe.

Contemporary documentation of John Dunstable's life is sparse. From his tombstone, which was in St. Stephen Walbrook, London, until it was destroyed in the Great Fire, it is known that he died on Dec. 24, 1453, and that he was also a mathematician and astronomer. Several tracts on astronomy once in his possession are in various English libraries, and from one of these it is known that he was in the service of John, Duke of Bedford, brother of Henry V. Dunstable became regent of France in 1422 and maintained a chapel in that country until his death in 1435; thus it is likely that Dunstable was on the Continent for some years. He is mentioned by several contemporary and slightly later theorists. Other information must be...