1. Malaria is carried by mosquitoes   Sir Humphry Davy   Sir Fredrick Grant Banting   Ronald Ross   Hans Christian   Hint Half-n-half Clue   2. Laws of Gravitation   Euclid   Karl Wilheim Scheele   Hans Christian   Sir Isaac Newton   Half-n-half Clue   3. Heart Transplant Surgery   Christian Barnard   Neels H. D. Bohr   Alexander Fleming   Hans Christian   Half-n-half Clue   4. Modern Theory of Atomic Structure   Alexander Fleming   Neels H. D. Bohr   Euclid   Johan Kepler   Half-n-half Clue   5. X-rays   Ronald Ross   Sir Humphry Davy   Anton Von Leeuwenhock   Wilhelm K. Roentgen   Half-n-half Clue   6. Magnesium   Christian Barnard   William Harvey   Sir Humphry Davy   Enrico Fermi   Half-n-half Clue   7. Laws of Electrolysis   Michael Faraday   Alexander Fleming   Wilhelm K. Roentgen   Charles Darwin   Half-n-half Clue