| TYNDALL | John ___, 19th-century physicist who gave his name to an effect of light scattering by particles in a colloid or particles in a fine suspension |
| RAMAN | Indian physicist awarded a Nobel Prize for work in the field of light-scattering (5) |
| FARADAY | 19th-century physicist Michael ___ , whose name is associated with the Royal Institution's Christmas Lectures (7) |
| CRYSTALS | Form taken by particles of sugar, diamonds or snow flakes |
| CAUSAL | Leading to an effect |
| LIBERTYCAP | Magic mushroom ___ stoned by particle (7,3) |
| SPRINKLING | Light scattering of baptismal water perhaps in spring covers new boy in family (10) |
| WILLOWS | Is going to sow, scattering by the trees (7) |
| REFLECTANCE | Surface property affecting light scattering |
| STRIPED | Pride scattering by the way -- as tiger appears (7) |
| SOTHEBY | John, auctioneer born in 1740 who gave his name to an arts auction house in London (7) |
| RAE | John ___, 19th-century Scottish explorer who authored the book Narrative of an Expedition to the Shores of the Arctic Sea, in 1846 and 1847 (3) |
| PASCAL | French philosopher, mathematician and physicist who gave his name to the derived SI unit of pressure (6,6) |
| BLAISE | French philosopher, mathematician and physicist who gave his name to the derived SI unit of pressure (6,6) |
| DOPPLER | Austrian physicist who gave his name to the effect that causes redshift and blueshift |
| LENZ | Physicist who gave his name to a law in electromagnetism (4) |
| AMPERE | French physicist who gave his name to unit of electric current (6) |
| NEHU | Prime minister who gave his name to an article of clothing |
| SPOONER | Oxford don who gave his name to an error in speech (7) |
| PRINCE | This musician changed his name to an unpronounceable symbol in 1993; it was both a creative lark and an unsuccessful attempt to escape contract obligations |