| CAVENDISH | Henry -, British chemist born in 1731 who recognised hydrogen (9) |
| HODGKIN | Dorothy -, 1910-1994, British chemist born in Egypt (7) |
| PRIESTLEY | Joseph ?, English chemist born in 1733 often credited with the discovery of oxygen (9) |
| MARTHA | ____ Washington, the First Lady of the first U.S. president born in 1731 (6) |
| WILLIAMCOWPER | English poet and hymn writer born in Great Berkhamstead in 1731 (7,6) |
| JOSEPH | English chemist born in 1733 often credited with the discovery of oxygen (6,9) |
| STAHL | Georg, German chemist born in 1660 who expounded the phlogiston theory (5) |
| FOGGIA | City in Puglia, Italy that was partially destroyed by an earthquake in 1731 (6) |
| NOBEL | Prize chemist born in festive season (5) |
| NERNST | Walter, German physical chemist born in 1864 (6) |
| FUSELI | Henry, British painter born in Switzerland who died in 1825 (6) |
| LILLO | George ?, English dramatist whose The London Merchant was first staged in 1731 |
| MARIECURIE | Chemist born in Warsaw, Poland |
| FRANKLIN | Rosalind, chemist born in 1920 whose work was key to discovering the structure of DNA (8) |
| DAVY | British chemist and inventor, born Cornwall 1778, who discovered sodium, potassium and calcium (4) |
| RAMSAY | British chemist who discovered neon, argon, krypton and xenon, and won the 1904 Nobel Prize in Chemistry (last name only) |
| MAUVE | Colour of the first aniline dye, patented by British chemist William Henry Perkin in 1856 (5) |
| DEWAR | British chemist and physicist who developed a vacuum flask, d1923 (5) |
| CAVILL | Henry, British actor who played Superman in the 2013 film Man Of Steel (6) |
| SHACKLETON | Ernest Henry, British Antarctic explorer who died in 1922 (10) |