1. Modern Theory of Atomic Structure   Enrico Fermi   Neels H. D. Bohr   Sir J. J. Thompson   Charles Darwin   Hint Half-n-half Clue   2. Laws of Gravitation   Gregor Mendel   Sir Isaac Newton   Henry Cavendish   Sir J. J. Thompson   Half-n-half Clue   3. Theory of Evolution   Euclid   Charles Darwin   Sigmund Freud   Sir Isaac Newton   Half-n-half Clue   4. Electron   Louis Pasteur   Sir Humphry Davy   William Harvey   Sir J. J. Thompson   Half-n-half Clue   5. Malaria is carried by mosquitoes   Enrico Fermi   Alexander Fleming   Ronald Ross   Neels H. D. Bohr   Half-n-half Clue   6. Pasteurization   Hans Christian   William Harvey   Louis Pasteur   Neels H. D. Bohr   Half-n-half Clue   7. Potassium   Euclid   Sir Isaac Newton   Neels H. D. Bohr   Sir Humphry Davy   Half-n-half Clue