| Inventor's milestone | 24 |
| Inventor's middle name | 26 |
| Inventor's legal document | 29 |
| Inventor's insurance | 24 |
| Inventor's inkling | 22 |
| Inventor's inits. | 21 |
| Inventor's initials | 23 |
| Inventor's incentive | 24 |
| Inventor's impossible goal | 30 |
| Inventor's goal, perhaps | 28 |
| Inventor's goal | 19 |
| Inventor's germ | 19 |
| Inventor's forte | 20 |
| Inventor's flash | 20 |
| Inventor's first step | 25 |
| Inventor's eventual target | 30 |
| Inventor's dream | 20 |
| Inventor's document | 23 |
| Inventor's desire | 21 |
| Inventor's cry | 18 |
| Inventor's concern | 22 |
| Inventor's claim | 20 |
| Inventor's challenge? | 25 |
| Inventor's center? | 22 |
| Inventor's brilliant notion | 31 |
| Inventor's brainchild | 25 |
| Inventor's basis | 20 |
| Inventor's award | 20 |
| Inventor's "step one" | 35 |
| Inventor's "lightbulb" | 36 |
| Inventor's "light bulb" | 37 |
| Inventor's "impossible dream" | 43 |
| Inventor Witney | 15 |
| Inventor with an up-and-down career? | 36 |
| Inventor with a bright idea? | 28 |
| Inventor with a bright idea | 27 |
| Inventor whose name is spelled out by the horizontal lines of special characters in this puzzle | 95 |
| Inventor whose last name is a code | 34 |
| Inventor who saw the light | 26 |
| Inventor who said "There is no substitute for hard work" | 66 |
| Inventor who rivaled Tesla | 26 |
| Inventor who received a lifetime achievement Grammy in 1970 | 59 |
| Inventor who laid it on the line | 32 |
| Inventor who inspired this puzzle | 33 |
| Inventor who had his ups and downs? | 35 |
| Inventor who had his ups and downs | 34 |
| Inventor who gave skyscrapers a boost | 37 |
| Inventor Whitney, for one | 25 |
| Inventor Whitney et al. | 24 |
| Inventor Whitney | 16 |
| Inventor Wallach | 16 |
| Inventor Tull | 13 |
| Inventor Thomas | 15 |
| Inventor Tesla | 14 |
| Inventor Sperry | 15 |
| Inventor Sikorsky | 17 |
| Inventor Samuel | 15 |
| Inventor Rudolf | 15 |
| Inventor Rubik | 14 |
| Inventor Popeil | 15 |
| Inventor Pliny ___ | 18 |
| Inventor Pliny | 14 |
| Inventor played by Bowie in "The Prestige" | 52 |
| Inventor Otis | 13 |
| Inventor or patriot | 19 |
| Inventor of wine, according to the Bible | 40 |
| Inventor of the telephone | 25 |
| Inventor of the symphonic poem | 30 |
| Inventor of the stock ticker | 28 |
| Inventor of the steel plow | 26 |
| Inventor of the stage? | 22 |
| Inventor of the spinning jenny | 30 |
| Inventor of the revolver | 24 |
| Inventor of the Polaroid camera | 31 |
| Inventor of the phonograph | 26 |
| Inventor of the Motorwagen | 26 |
| Inventor of the Mothers of Invention | 36 |
| Inventor of the Marching Bands puzzle | 37 |
| Inventor of the Internet? | 25 |
| Inventor of the gramophone | 26 |
| Inventor of the first electric battery | 38 |
| Inventor of the first digital calculator | 40 |
| Inventor of the electric car battery | 36 |
| Inventor of the electric battery | 32 |
| Inventor of the diving bell | 27 |
| Inventor of the Cube | 20 |
| Inventor of the compression-ignition engine | 43 |
| Inventor of the centigrade thermometer | 38 |
| Inventor of the alcohol thermometer | 35 |
| Inventor of roll film | 21 |
| Inventor of Menlo Park | 22 |
| Inventor of logarithms | 22 |
| Inventor of lawn tennis | 23 |
| Inventor of first digital calculator | 36 |
| Inventor of farm machines | 25 |
| Inventor of etching | 19 |
| Inventor of dynamite | 20 |
| Inventor of diving bell | 23 |
| Inventor of cordite | 19 |
| Inventor of celluloid | 21 |