| LYELL | Lawyer-turned-geoscientist who propounded the evolutionary theory of uniformitarianism in his three-volume Principles of Geology (5) |
| OVID | Roman poet who wrote of the art of love and seduction in his three-book elegiac Ars Amatoria (4) |
| SIRFREDHOYLE | English astronomer who propounded the steady state theory of the universe |
| EINSTEIN | Physicist who propounded the theory of relativity (8) |
| CANAL | Stretch of water where 5 Down can be found in his 3 Across boat (5) |
| MALTHUS | Thomas ___, English economist who propounded his population theory in An Essay on the Principle of Population |
| MARCUSAURELIUS | Roman Emperor 161-180, who propounded his Stoic view of life (6,8) |
| AURELIUS | Marcus _, Roman Emperor 161-180, who propounded his stoic view of life (8) |
| MARCUS | Roman Emperor 161-180, who propounded his Stoic view of life (6,8) |
| BEAGLE | This top businessman, who lives in a large place in the centre of Cleeve with his three dogs, is about to get another dog, a hunting hound (6) |
| IRFANPATHAN | All-rounder who was Man of the Match in the final, for his 3-16 (5,6) |
| GRISHAM | Lawyer turned author who wrote The Firm, The Pelican Brief and A Time To Kill (7) |
| STAR | Associated with a dark sky paradox propounded by Heinrich Olbers in 1823, any one of the luminous bodies forming part of the universe's two trillion galaxies (4) |
| PRETEENS | It's all arranged: my son, who lives near Portishead, is going to visit his three nieces in Treen -- they are all between the ages of 9 and 12 (8) |
| ADAMANT | It was a man and his three kids that made a mess in the middle of Watergate Beach, I'm sure of it (7) |
| SURVIVAL | The ... of the fittest (Darwinian evolutionary theory) (8) |
| DARWINISM | Theory of the evolutionary mechanism driven mainly by natural selection (9) |
| CLASSIFIEDAD | Describes secret information American lawyer turned over to be printed in the newspaper |
| DICKVANDYKE | Eponymous star of a 1960s sitcom, the only American TV star with his three initials |
| DESCENTOFMAN | The --- --- ---, 1871 book by Charles Darwin applying evolutionary theory to human evolution (7,2,3) |
