1. Laws of Planetary Motion   Euclid   Neels H. D. Bohr   Johan Kepler   Sigmund Freud   Hint Half-n-half Clue   2. Laws of Gravitation   Louis Pasteur   Sir Humphry Davy   Ronald Ross   Sir Isaac Newton   Half-n-half Clue   3. Calcium   Wilhelm K. Roentgen   William Harvey   Sir Fredrick Grant Banting   Sir Humphry Davy   Half-n-half Clue   4. Laws of Heredity   Anton Von Leeuwenhock   Wilhelm K. Roentgen   Gregor Mendel   Sir Humphry Davy   Half-n-half Clue   5. Heart Transplant Surgery   Euclid   Albert Einstein   Alexander Fleming   Christian Barnard   Half-n-half Clue   6. Pasteurization   Ronald Ross   Wilhelm K. Roentgen   Louis Pasteur   Anton Von Leeuwenhock   Half-n-half Clue   7. Magnesium   Sir Humphry Davy   William Harvey   Henry Cavendish   Euclid   Half-n-half Clue