| LEIBNIZ | Gottfried Wilhelm ___, author of A Philosopher's Creed (1671) (7) |
| ALCHEMY | Medieval pursuit of a philosopher's stone and turning lead into gold that led to modern chemistry (7) |
| HAWKING | Stephen ___, author of A Brief History of Time (7) |
| SNICKET | Lemony ___, author of A Series of Unfortunate Events (7) |
| HOUSMAN | AE ___, author of A Shropshire Lad (7) |
| BURGESS | Anthony ___, author of A Clockwork Orange (7) |
| IAPETUS | The outermost of Saturn's major regular moons, extraordinary because of its great contrast in surface brightness. This moon was discovered by Gian Domenico Cassini in 1671, it has a radius of 718 km ( |
| SCHEELE | Karl Wilhelm ___, 18th-century chemist who discovered oxygen independently of Priestley (7) |
| EPITAPH | Inscription is in, to keep it a philosopher's piece (7) |
| CARTOON | From an Italian word that means "pasteboard." In English it refers to a type of drawing, usually intended as satire or for the purpose of humour. Its first known use dates to 1671. |
| STELLER | Georg Wilhelm ___, the 18th-century German naturalist (7) |
| THOMSON | Poet whose The Seasons inspired a text by Gottfried van Swieten which became the libretto for Joseph Haydn's oratorio of the same name (7) |
| YOUFOOL | Gilbert Gottfried refrain in a memorable 'Hollywood Squares' episode |
| OSTWALD | Wilhelm ___, German chemist noted for his pioneering work on catalysis; Nobel Prize in Chemistry (1909) |
| QUEST | Whether a knight's crusade for the Grail, a pilgrim's progress to a holy place, a philosopher's pursuit of truth, a hound's hunt for game or a computer's scan for data, it is a word, from "ask, seek", |
| GILBERT | Comedian Gottfried |
| CALCULUS | Branch of mathematics developed independently by Isaac Newton and Gottfried Wilhelm Leibniz (8) |
| SWIFT | Jonathan ___, author of A Tale of a Tub and A Modest Proposal (5) |
| BEWICK | Thomas ___, author of A History of British Birds who died in 1828 (6) |
| TOOLE | John Kennedy ___, author of "A Confederacy of Dunces" |
