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Answer: Thomas Edison
Thomas Edison invented the first practical electric light bulb in 1879, revolutionizing lighting.
Answer: Isaac Newton
Isaac Newton is credited with discovering the law of universal gravitation, which states that every mass attracts every other mass.
Answer: Edward Jenner
Edward Jenner developed the first smallpox vaccine in 1796, which led to the eventual eradication of the disease.
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Answer: Christiaan Barnard
Christiaan Barnard performed the first successful heart transplant in 1967, revolutionizing organ transplant surgery.
Answer: Johann Gottfried Galle
Johann Galle, along with John Couch Adams, discovered the planet Neptune in 1846 based on mathematical predictions.
Answer: Michael Faraday
Michael Faraday formulated the laws of electrolysis, which relate electric current to chemical changes.
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Answer: Ivan Pavlov
Ivan Pavlov is famous for developing the theory of conditioned reflexes, leading to the study of classical conditioning.
Answer: Niels Bohr
Niels Bohr developed the Bohr model, where electrons are arranged in distinct energy levels or shells around the nucleus.
Answer: Fritz Haber
Fritz Haber discovered nitrogen fixation, which enabled the synthesis of ammonia for fertilizers.
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Answer: Louis de Broglie
Louis de Broglie proposed that light behaves as both a wave and a particle, contributing to quantum theory.
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