| LOCKYER | Norman ___, English astronomer whose spectroscopic analysis of the sun led to the discovery of helium (1886) |
| ICARUS | Exposure to the sun led to his downfall |
| HALLEY | English astronomer whose level of fame increases every 76 years or so |
| FOSTER | Sir Norman _; English architect (6) |
| TAN | Sun-led darkening |
| ARTHUR | British archaeologist whose excavations on the island of Crete led to the discovery of the Bronze Age Minoan civilisation (6) |
| EVANS | British archaeologist whose excavations on the island of Crete led to the discovery of the Bronze Age Minoan civilisation (5) |
| HUBBLE | Edwin, American astronomer whose work led to the discovery that the universe is expanding (6) |
| LOWELL | Astronomer Percival whose theories about Planet X led to the discovery of Pluto |
| SOHO | John Snow's study of an outbreak of cholera in this London West End area led to the discovery that water supplies were the means of spreading this disease |
| ABUDHABI | Situated on the Persian Gulf coast and once a thriving pearl-diving community prior to the discovery of oil, the capital of the United Arab Emirates (3,5) |
| ENDEAVOUR | Attempt which led to the discovery of Australia (9) |
| TIDDLER | Dirt led to the discovery of a small fish (7) |
| ENCELADUS | The second nearest of the major regular moons of Saturn, the brightest of all its moons, and discovered in 1789 by the English astronomer William Herschel. The surface is almost pure water ice, with t |
| SCHEELE | One of the scientists with a valid claim to the discovery of oxygen who also identified that lead and graphite were two distinct materials (7) |
| ROSALIND | As an expert in crystallography at King's College London, she made a crucial contribution to the discovery of the structure of DNA (8,8) |
| FRANKLIN | As an expert in crystallography at King's College London, she made a crucial contribution to the discovery of the structure of DNA (8,8) |
| CALENDARMONTH | Chat led Norman to the discovery of certain dates (8,5) |
| DNA | Rosalind Franklin made important contributions to the discovery of this molecule's structure |
| EULER | Which Swiss mathematician wrote Introduction to the Analysis of the in finite (1748) |