an English explorer and cartographer. In 1594, he led an expedition to the West Indies, of which he wrote an account. The illegitimate son of Robert Dudley, 1st Earl of Leicester, he inherited the bulk of the Earl's estate in accordance with his father's will, including Kenilworth Castle. In 1603–1605, he tried unsuccessfully to establish his legitimacy in court. After that he left England forever, finding a new existence in the service of the Grand Dukes of Tuscany. There, he worked as an engineer and shipbuilder, and designed and published Dell'Arcano del Mare (1645-1646), the first maritime atlas to cover the whole world. He was also a skilled navigator and mathematician.
