| HOOKE | Robert ___, English scientist who formulated the law of elasticity in 1678 (5) |
| ROBERTHOOKE | English scientist who formulated the law of elasticity (published 1678), which bears his name (6,5) |
| ETA | Symbol of elasticity, in economics |
| ISAAC | Newton who formulated the law of universal gravitation |
| DARBY | English manufacturer born in 1678 who perfected the smelting of iron with coke instead of charcoal (7,5) (See 1A) |
| TITUS | English conspirator who fabricated the Popish Plot in 1678 (5,5) |
| OATES | English conspirator who fabricated the Popish Plot in 1678 (5,5) |
| ROBERT | Forename of either the polymath discoverer of the law of elasticity, the inventor of the Bunsen burner or the Royal Society co-founder regarded as the first modern chemist (6) |
| OGIVE | Zero elasticity in arch (5) |
| EXALT | Celebrate elasticity in latex (5) |
| ISAACNEWTON | English philosopher and mathematician (1642-1727) who formulated the law of gravitation: 2 wds. |
| GIVER | Present source of elasticity meeting with resistance |
| NEWTON | Sir Isaac who formulated the law of universal gravitation |
| PROUST | Joseph Louis -; analytical chemist who formulated the law of definite proportions (6) |
| NERNST | Aspiring poet, later a Nobel Prizewinning scientist who formulated the third law of thermodynamics (6) |
| DOROTHYHODGKIN | English scientist who won the Nobel Prize in Chemistry in 1964 for mapping the structure of vitamin B12 (7,7) |
| ABRAHAM | English manufacturer born in 1678 who perfected the smelting of iron with coke instead of charcoal (7,5) (See 7A) |
| KEPLER | Astronomer who formulated the laws of orbital motion |
| ABRAHAMD | English manufacturer born in 1678 who perfected the smelting of iron with coke instead of charcoal |
| TITUSOATES | English clergyman and conspirator who fabricated the 'Popish Plot' against King Charles II in 1678 (5,5) |