| OGDEN | Linguist and philosopher who created Basic English as a simplified system of the English language based on 850 words (5) |
| LEIBNIZ | Philosopher who created the binary system and calculus |
| CHOMSKY | US linguist and philosopher, author of Syntactic Structures (7) |
| CLAIBORNEPELL | Rhode Island senator who created Basic Educational Opportunity Grants |
| NOAM | Linguist and philosopher, ___ Chomsky |
| PLATO | Philosopher who created an allegory about prisoners in a cave |
| GRADE | A category of a listed building; a music exam; or, meaning "step", word originally used in English as a unit of measurement of angles, now for a particular level of quality, rank etc (5) |
| DRJOHNSON | Name by which the lexicographer who wrote A Dictionary of the English Language and Lives of the Most |
| JOHNSON | Written about in James Boswell's Life, author of the Rambler essays and A Dictionary of the English Language who founded a literary club with Joshua Reynolds (7) |
| ALMAGEST | A work on astronomy, compiled by Ptolemy in the 2nd century AD, containing a description of the geocentric system of the universe and a star catalogue |
| WEBSTER | Lexicographer noted for his 1806 publication A Compendious Dictionary of the English Language; or, the dramatist who wrote The Duchess of Malfi (7) |
| RICHARDS | English literary critic who collaborated with C. K. Ogden and contributed to the development of Basic English (18931979). |
| BIOCHEMICAL | When the ends of each of its letters are connected to those above and below, a simplified schematic of a famous structure |
| HXHHXHHXHHXHHXH | When the ends of each of its letters are connected to those above and below, a simplified schematic of a famous structure |
| NOAHWEBSTER | American lexicographer who published his first dictionary, A Compendious Dictionary of the English Language, in 1806 |
| SAMUELJOHNSON | 18th-century writer of A Dictionary Of The English Language (6,7) |
| WEBSTERS | Published in 1828 as An American Dictionary of the English Language, what is this dictionary better known as? (8) |
| SAPIR | Edward, linguist and anthropologist born in 1884 whose works include Language: An Introduction To The Study Of Speech (5) |
| GULAG | Which penal system of the Soviet Union consisted of a network of labour camps? (5) |
| CLASSICALELEMENTS | A simplified table, perhaps, and the theme of this crossword |
