1. Louis Pasteur   Nylon   Rabies Vaccine   Electric Battery   Printing Press   Hint Half-n-half Clue   2. Sir Frank Whittle   Vaccination   Jet Engine   Shorthand   Electronic Computer   Half-n-half Clue   3. Kirkpatrick Macmillan   Printing Press   Electric Furnace   Carburettor   Bicycle   Half-n-half Clue   4. Edmund Cartwright   Power Loom   Electric Flat Iron   Bakelite   Transistor   Half-n-half Clue   5. Otto   Rabies Vaccine   Internal Combustion Engine   Logarithmic Tables   Electric Furnace   Half-n-half Clue   6. Otto von Guericke   Arc Lamp   Shorthand   Air Pump   Automobiles using gasoline   Half-n-half Clue   7. C. F. Brush   Electronic Computer   Arc Lamp   Electric Battery   Air Pump   Half-n-half Clue