1. Dr. Wallace H. Carothers   Nylon   Electronic Computer   Bakelite   Electric Flat Iron   Hint Half-n-half Clue   2. Edmund Cartwright   Automobiles using gasoline   Ball-Point Pen   Power Loom   Transistor   Half-n-half Clue   3. C. F. Brush   Arc Lamp   Electric Motor (AC)   Submarine   Barometer   Half-n-half Clue   4. Alessandro Volta   Vaccination   Electric Motor (AC)   Electric Battery   Electric Furnace   Half-n-half Clue   5. Gottlieb Daimler   Carburettor   Fountain Pen   Refrigerator   Electric Motor (AC)   Half-n-half Clue   6. Karl Benz   Automobiles using gasoline   Barometer   Electronic Computer   Logarithmic Tables   Half-n-half Clue   7. H. W. Seeley   Bakelite   Electric Furnace   Transistor   Electric Flat Iron   Half-n-half Clue