1. Leo H Baekeland   Bakelite   Fountain Pen   Electric Flat Iron   Electric Motor (AC)   Hint Half-n-half Clue   2. Edward Jenner   Vaccination   Airship (rigid)   Bicycle   Hovercraft   Half-n-half Clue   3. Otto von Guericke   Air Pump   Power Loom   Electronic Computer   Jet Engine   Half-n-half Clue   4. Karl Benz   Fountain Pen   Vaccination   Automobiles using gasoline   Air Pump   Half-n-half Clue   5. Bardeen, Shockley, Brattain   Transistor   Shorthand   Bicycle   Printing Press   Half-n-half Clue   6. Dr. Alan M. Turing   Air Pump   Electronic Computer   Fountain Pen   Vaccination   Half-n-half Clue   7. Louis Pasteur   Fountain Pen   Gunpowder   Galvanometer   Rabies Vaccine   Half-n-half Clue