1. Telephone   Michael Faraday   Sir Alexander Graham Bell   King C. Gillette   Orville and Wilbur Wright   Hint Half-n-half Clue   2. Aeroplane   Rudolf Diesel   James Watt   Thomas Alva Edison   Orville and Wilbur Wright   Half-n-half Clue   3. Safety Razor   Orville and Wilbur Wright   Charles Goodyear   Benjamin Franklin   King C. Gillette   Half-n-half Clue   4. Television (mechanical)   Sir Alexander Graham Bell   Alfred B. Nobel   John Logie Baird   Benjamin Franklin   Half-n-half Clue   5. Elevator   Elisha G. Otis   John Boyd Dunlop   Sir Alexander Graham Bell   James Watt   Half-n-half Clue   6. Electric Generator   Sir Alexander Graham Bell   Michael Faraday   James Watt   Samuel Morse   Half-n-half Clue   7. Gramophone   Benjamin Franklin   Charles Macintosh   Thomas Alva Edison   Sir Alexander Graham Bell   Half-n-half Clue