Henry Percy, 9th Earl of Northumberland

  Henry Percy, 9th Earl of Northumberland (April 27, 1564—November 5, 1632), is known for the circles he moved in as well as for his own achievements. He acquired the sobriquet The Wizard Earl, due to his scientific and alchemical experiments, his passion for cartography, and his large library. His mild deafness and slight speech impediment did not prevent him from becoming an important intellectual and cultural figure of his generation.