character: Nikola Tesla
topic: Competition with Edison and Contributions to Technology
grade: 9
subject: History
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character: Thomas Edison
topic: Competition with Tesla and Innovations in Electric Power
grade: 9
subject: History
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character: George Westinghouse
topic: Role in AC vs. DC Current War and Supporting Tesla
grade: 9
subject: History
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character: Samuel Morse
topic: Influence on Electromagnetic Technology and Communications, Related to Tesla's Contributions
grade: 9
subject: History
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