Related Clues:

• AC motor inventor
• Inventor played by Bowie in 'The Prestige'
• Eponymous mathematician Karl
• Monster balladeers with 'Signs'
• Subject of the biography 'The Man Who Invented the Twentieth Century'
• Colleague of Westinghouse
• 'Signs' band
• "Signs" band
• "Der Freischütz" composer
• Contemporary of Edison
• Electrical engineer Nikola
• Serbian scientist
• Barbecue equipment brand
• Inventor of alternating current
• Radio pioneer