1. Electric Lamp   Orville and Wilbur Wright   John Boyd Dunlop   Michael Faraday   Thomas Alva Edison   Hint Half-n-half Clue   2. Diesel Engine   James Watt   Rudolf Diesel   Benjamin Franklin   Samuel Morse   Half-n-half Clue   3. Elevator   Thomas Alva Edison   King C. Gillette   Fahrenheit   Elisha G. Otis   Half-n-half Clue   4. Movie Projector   Thomas Alva Edison   James Watt   Charles Macintosh   Samuel Morse   Half-n-half Clue   5. Gramophone   Thomas Alva Edison   Michael Faraday   Orville and Wilbur Wright   Charles Macintosh   Half-n-half Clue   6. Telegraph Code   John Boyd Dunlop   Charles Macintosh   Alfred B. Nobel   Samuel Morse   Half-n-half Clue   7. Dynamite   Samuel Morse   Charles Goodyear   John Logie Baird   Alfred B. Nobel   Half-n-half Clue