1. Power Loom   Sir Frank Whittle   Dr. Alan M. Turing   Edmund Cartwright   Louis Pasteur   Hint Half-n-half Clue   2. Refrigerator   James Harrison, Alexander Catlin   Roger Bacon   Johann Gutenberg   Leo H Baekeland   Half-n-half Clue   3. Printing Press   Bardeen, Shockley, Brattain   Johann Gutenberg   Dr. William Stokes, Rene Laennec   Edmund Cartwright   Half-n-half Clue   4. Automobiles using gasoline   Karl Benz   Edmund Cartwright   Leo H Baekeland   John J. Loud   Half-n-half Clue   5. Shorthand   Sir Isaac Pitman   Lewis E. Waterman   G. Ferdinand Von Zeppelin   John J. Loud   Half-n-half Clue   6. Barometer   Lewis E. Waterman   Evangelista Torricelli   Robert Wilhelm Von Bunsen   David Bushnell   Half-n-half Clue   7. Stethoscope   G. Ferdinand Von Zeppelin   Edmund Cartwright   John J. Loud   Dr. William Stokes, Rene Laennec   Half-n-half Clue