| EUCLID | Ancient Greek mathematician noted for his treatise on geometry, the Elements (6) |
| KEYNES | Economist and Bloomsbury Group member painted by Duncan Grant while writing his Treatise on Probability during their holiday in Orkenys (6) |
| ARCHIMEDES | Ancient Greek mathematician noted for inventing a device to raise water (10) |
| EUDOXUSOFCNIDUS | Greek mathematician noted for his work on proportions (7,2,6) |
| ELEMENTS | Euclid's treatise on geometry |
| THALES | Ancient Greek mathematician - or a French aerospace company (6) |
| ASCHAM | Classical scholar or "scholemaster" who dedicated his treatise Toxophilus to "lover of the bow" Henry VIII (6) |
| SEMTEX | In geometry, the point where two or more curves, lines or edges meet (6) |
| NEWTON | First to describe gravity whose discovery that white light is made up of a mixture of colours is described in his treatise Opticks (6) |
| LEONHARDEULER | 18th Century Swiss mathematician noted for his work on the calculus of variation (8,5) |
| EULER | Leonhard, 18th Century Swiss mathematician noted for his work on the calculus of variation (5) |
| RAMEAU | Jean-Philippe ___, French composer and music theorist noted for the 1722 work Traite de l'harmonie (Treatise on Harmony) (6) |
| POISSON | French mathematician noted for his work on probability |
| OMAR | ____ Khayyam, Persian poet and mathematician noted for his poem The Rubaiyat (4) |
| ZENO | Greek philosopher and mathematician noted for his paradoxes (4) |
| STONES | The - of Venice ; three-volume treatise on architecture by John Ruskin (6) |
| LAOTZU | "Treatise on the Response of the Tao" author, supposedly |
| ANDREWWILES | English mathematician noted for proving Fermat's Last Theorem in the 1990s (6,5) |
| PYTHAGORAS | Ancient Greek mathematician who couldn't bring his triangle theorem out into the open? |
| APOTHEM | In geometry, the perpendicular from the centre to the midpoint of any one of the sides of a regular |
