| WOHLER | Friedrich ___ (1800-82), German chemist who was the first to isolate aluminium and to synthesise urea, in 1827-8 (6) |
| SCOTT | Author of the Waverley novels whose uncle Daniel Rutherford was the first to isolate nitrogen (5) |
| HAWORTH | Sir Walter Norman -; chemist who was the first to synthesise ascorbic acid, or vitamin C (7) |
| MARIE | Polish-French physicist and chemist who was the first woman to win a Nobel Prize, _ Curie (5) |
| HAHN | German chemist who was co-discoverer with Lise Meitner of nuclear fission (18791968). |
| BRADSHAW | George ___ (1800-53), printer who gave his name to a series of railway guides (8) |
| MARENGO | Battle of ___, 1800 conflict near Alessandria, Italy, in which France defeated Austria (7) |
| BAEYER | Organic chemist and Nobel laureate who was the first to synthesise indigo (6) |
| SEGREGATE | At first sight, get to agree about the way to isolate some people (9) |
| LIEBIG | Justus von ___, German chemist who founded the company that trademarked the Oxo cube |
| SCIENCETEACHER | Educator who has secret chance i.e. chance to synthesise (7,7) |
| FRITZHABER | German chemist who won the Nobel Prize in Chemistry in 1918 (5,5) |
| THIAMIN | Just a hint at an aim to synthesise B1 (7) |
| ALCHEMIST | Medieval 'scientist' seeking to synthesise gold (9) |
| KETONE | Keen to synthesise organic compound (6) |
| EXCERPT | Expert, about to synthesise extract (7) |
| CUT | Up to be beside yourself and down to isolate (3) |
| BUNSEN | German chemist who invented the science lab burner named after him |
| EIGEN | German chemist who won the 1967 Nobel Prize in Chemistry |
| SIEGE | Surrounding of a fortified place to isolate it from help and supplies (5) |