| DALTON | John ---, English chemist who studied colour blindness |
| READ | Studied colour in speech (4) |
| DAVY | Humphry ___, English chemist who invented a miners' safety lamp (4) |
| CAVENDISH | Henry, English chemist who recognised hydrogen (9) |
| FARADAY | 18th Century English chemist who discovered electromagetic induction (7) |
| HOOKE | Robert, English chemist who constructed the first Gregorian telescope (5) |
| PRIESTLEY | Joseph ___, English chemist who discovered oxygen independently of Scheele (9) |
| JOSEPHPRIESTLEY | English chemist who discovered oxygen in 1774 (6,9) |
| HUMPHRYDAVY | English chemist who invented a type of safety lamp and coined the name 'laughing gas' for nitrous oxide (7,4) |
| DALTONISM | Colour blindness (9) |
| TRAIT | Green eyes or color blindness, e. g. |
| GENETIC | Like eye color or color blindness |
| MUTANTGENES | Causes of color blindness |
| UNO | Card game that released a color blindness-friendly version in 2017 |
| HODGKIN | Dorothy ---, English chemist and crystallographer who won the Nobel Prize in Chemistry in 1964 (7) |
| CROOKES | William ___, English chemist and physicist who discovered the element thallium in 1861 (7) |
| ATOM | English chemist and physicist John Dalton is known primarily for his work on discovering the ___, the building block of all matter |
| MICHAEL | - Faraday, English chemist/physicist |
| SMITHSON | James --, 1765-1829, English chemist and mineralogist (8) |
| OXYGEN | What was discovered by English chemist Joseph Priestley in 1774? (6) |
