| HIPPOCRATES | Greek philosopher and physician regarded as the father of medicine (11) |
| HAROLDGILLIES | Physician regarded as the father of plastic surgery |
| KIERKEGAARD | Soren ..., the Danish philosopher who is widely regarded as the father of existentialism (11) |
| ANTISTHENES | Greek philosopher and pupil of Socrates (c. 445-365 BC) thought to have founded the Cynic school (11) |
| NOSTRADAMUS | Latinized name of the 16th-century French astrologer and physician noted for his predictions (11) |
| OLIVES | Hippocrates, the father of medicine, suggested the juice of what as a cure for insanity? (6) |
| KOS | Island in the Dodecanese, associated in ancient times with Hippocrates, 'the father of medicine' |
| ALBERTSCHWEITZER | Alsatian theologian, organist, philosopher and physician who received the 1952 Nobel Peace Prize |
| LOCKE | John ___: English philosopher and physician in the 1600s (5) |
| AVICENNA | Arab philosopher and physician whose medical work Qanun greatly influenced medieval medicine |
| AESCHYLUS | Greek dramatist, regarded as the father of Greek tragedy, whose seven extant plays include the Oresteia trilogy |
| IBSEN | Surname of the Norwegian dramatist, generally regarded as the father of modern theatre (5) |
| BILLYMITCHELL | US Army officer and aviation pioneer regarded as the father of the US Air Force (5,8) |
| EUCLID | Greek mathematician (c 300 BC), regarded as the father of geometry (6) |
| ADAMFERGUSON | Logierait-born philosopher regarded as "the father of modern sociology (4,8) |
| MARS | Roman god traditionally regarded as the father of Romulus and Remus (4) |
| HAYDN | Composer regarded as the "Father of the String Quartet" |
| MOORE | Astrologer and physician at the court of Charles II whose almanac became a bestseller in the 18th and 19th centuries and is still in publication today (5) |
| PYTHAGORAS | - of Samos; Greek philosopher and mathematician best known for his theorem of the right-angled trian |
| EMPEDOCLES | Greek philosopher and scientist who held that the world is composed of air, fire, earth and water |
