| 100% | JETHRO | 6 | Inventor Tull, who developed the seed drill |
| 69% | JETHROTULL | 10 | English agriculturist born in 1674 who developed the seed drill |
| 52% | TULL | 4 | Jethro who refined the seed drill |
| 48% | OTIS | 4 | Inventor Boykin who helped develop the pacemaker |
| 47% | JETHRO | 6 | & 21D English agriculturist who invented the seed drill |
| 45% | TULL | 4 | Jethro —, English agriculturist who invented the seed drill |
| 42% | LUTHERBURBANK | 13 | Horticulturist who developed the Shasta daisy |
| 42% | IACOCCA | 7 | Auto executive who developed the Mustang |
| 41% | JETHRO | 6 | __ Tull, inventor of an agricultural seed drill |
| 41% | EINSTEIN | 8 | Scientist who developed the theory of relativity |
| 41% | DARWIN | 6 | Charles who developed the theory of evolution |
| 40% | HOFFMAN | 7 | German chemist who developed the use of aspirin |
| 40% | TULL | 4 | Jethro —, seed drill inventor |
| 40% | VOLTA | 5 | Alessandro —, Italian physicist who developed the first electrochemical cell |
| 40% | ALBERTEINSTEIN | 14 | Physicist who developed the theory of relativity: 2 wds. |
| 39% | KEPLER | 6 | Johannes ___, German astronomer, who developed the laws of planetary motion |
| 38% | ISSIGONIS | 9 | Alec —, Turkey-born car designer who developed the Mini in 1959 |
| 38% | ASIMOV | 6 | I, Robot sci-fi author who developed the Three Laws of Robotics |
| 37% | NORMAN | 6 | Producer Lear who developed "All in the Family" |
| 37% | MARYKIES | 8 | Inventor who developed straw weaving technique |
| 36% | STAHL | 5 | Georg Ernst —, German scientist born in 1659 who developed the phlogiston theory of combustion |
| 36% | EDISON | 6 | Inventor who saw the light |
| 36% | BOHR | 4 | Physics Nobelist who developed an early model of the atom |
| 36% | TESLA | 5 | Inventor who died in The New Yorker Hotel |
| 36% | DAVIDGRAEBER | 12 | Anthropologist who developed the concept of everyday communism in “Debt: The First 5,000 Years” |
| 35% | PASCAL | 6 | Blaise —, 17th-century mathematician and philosopher who developed the theory of probability with Pierre de Fermat |
| 35% | NORMANLEAR | 10 | Producer who developed "The Jeffersons" |
| 35% | SARGE | 5 | One who knows the drill |
| 35% | DENTIST | 7 | One who knows the drill |
| 35% | SGTS | 4 | NCOs who know the drill |