Andre Marie Ampere

Andre Marie Ampère was the first person to study electrodynamics and discover electromagnetism. He is credited for the invention of a vital component of the modern astatic galvanometer, the astatic needle. He was the first to determine how a magnetic field was generated when two parallel wires are charged with electricity.
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Ray Dolby

Ray Milton Dolby, was an American engineer and inventor of the noise reduction system known as Dolby NR.
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Alberto Santos Dumont

Alberto Santos-Dumont, inventor and pioneer of the first tiny aircraft known as the ‘homebuilder’, and the first person to successfully combine the internal combustion engine and ballooning.
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