| AVOGADRO | Italian chemist and mathematical physicist whose gas law formulated in 1811 was used to derive molecular weights and also a system of atomic weights (8) |
| STALWART | Strong law formulated in the beginning (8) |
| ED | Which suffix is used to derive the adjective from the noun "money"? (2) |
| AHEADFORFIGURES | At the front regarding body shapes and mathematical ability (1,4,3,7) |
| LAIDDOWN | ___ the law: formulated a rule? (4,4) |
| PRIMO | ***** Levi, Italian chemist and writer born in 1919 (5) |
| PRIMOLEVI | Italian chemist and Holocaust survivor noted for his book The Periodic Table (5,4) |
| JUSTASWELL | Fair law's formulated to cover the Spanish? That's fortunate (4,2,4) |
| GALVANI | Italian physician and physicist whose discovery of the twitching of frogs' legs in an electric field |
| ISAACNEWTON | English mathematician and physicist whose principal work, the Philosophiae Naturalis Principia Mathematica, was published in 1687 (5,6) |
| NICENE | Aspects of which Creed, formulated in 325 and outlining Christian belief, is quoted in the carol Oh |
| TORRICELLI | Italian physicist whose invention of the mercury barometer in 1643 contributed towards the proof of |
| JOSEPHBLACK | Physicist whose name is used for chemistry buildings of Glasgow and Edinburgh universities (6,5) |
| DEWAR | Sir James ___ (1842-1923), Scottish chemist and physicist whose achievements include the invention of the vacuum flask (5) |
| NITROGLYCERINE | Powerful liquid explosive invented by Italian chemist Ascanio Sobrero in 1847 (14) |
| GEORGEIV | Known as "the first gentleman of England", prince regent in 1811 and king in 1820 who commissioned John Nash to redesign the Royal Pavilion (6,1,1) |
| GREATPARIS | In 1811 Napoleon and his officers started using used this code, which was a great improvement on a previous code, which had been deciphered by Major George Scovell. |
| LISSA | (Old name of) Adriatic island giving its name to two naval battles fought in 1811 and 1866 (5) |
| ELDER | Thought to derive from the Anglo-Saxon for "fire" due to its hollow stems used to blow air on embers, the tree Sambucus, with berries/flowers used for cordial, jam, presse and wine (5) |
| PENROSE | Roger -; mathematical physicist known for work on singularities such as black holes (7) |