character: Heinrich Hertz
topic: Discovery of Electromagnetic Waves
grade: 9
subject: Science
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character: James Clerk Maxwell
topic: Maxwell's Equations and Theory of Electromagnetism
grade: 9
subject: Science
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character: Guglielmo Marconi
topic: Application of Electromagnetic Waves in Wireless Communication
grade: 9
subject: Science
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character: Nikola Tesla
topic: Contributions to Radio Technology and Electromagnetic Waves
grade: 9
subject: Science
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