character: Heinrich Hertz
topic: Experimental Confirmation of Electromagnetic Waves
grade: 12
subject: History
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character: James Clerk Maxwell
topic: Theory of Electromagnetism
grade: 12
subject: History
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character: Nikola Tesla
topic: Wireless Communication and Electromagnetic Waves
grade: 12
subject: History
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character: Guglielmo Marconi
topic: Development of Radio and Wireless Technology
grade: 12
subject: History
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