1. Archimedes—Invention of the famous Archimedean law, discovery of the principles of lever and specific gravity. 2. Avogadro—An Italian scientists known for Avogadro’s hypothesis. 3. Bacquarrel—Radio-activity of uranium. 4. Baird J.L.—Television. 5. Benjamin Franklin—Lightning conductor. 6. Bhabha H.J.—Research in cosmic rays and quantum theory. 7. Binet—Intelligence tests. 8. Bose, J.C.—Crescograph. 9. Bose, S.N.—Discovery of nuclear particles ‘Boson’. 10. Bohr—Electron Theory, Atomic structure. 11. Bunsen—Spectroscope. 12. Bushwell—Submarine. 13. Carothers—Nylon Plastics. 14. Cavendish—Discovery of hydrogen, rare gases, chemical composition of water. 15. Charles Darwin—Theory of Evolution; Origin of Species. 16. Curie, Madame—Radium. 17. Dalton—Law of partial pressures; Atomic theory; laws of chemical combination; the law of multiple proportions. 18. Democritus—(Greek Philosopher)—Atomic theory. 19. Dewar—Thermos flask. 20. Einstein—Theory of relativity. 21. Eucl
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