| HAHN | Otto -; chemist who discovered nuclear fission and protactinium with Lise Meitner (4) |
| LISE | Physicist Meitner who co-discovered nuclear fission |
| WHEELER | Theoretical physicist who worked with Niels Bohr on explaining nuclear fission and coined the terms |
| SPA | Mineral spring provides sulphur and protactinium (3) |
| PA | (Chem symbol) protactinium (2) |
| FRISCH | British physicist (born in Austria) who with Lise Meitner recognized that Otto Hahn had produced a new kind of nuclear reaction which they named nuclear fission. |
| OTTOFRISCH | Working with Lise Meitner, ____ coined the term nuclear fission |
| ATOM | Small unit of matter studied by Lise Meitner |
| ONES | The Young _, 1980s British sitcom written by Rik Mayall, Ben Elton and Lise Mayer (4) |
| DAVY | Self-taught Cornish chemist who discovered several elements, invented a safety lamp for miners and served as president of the Royal Society from 1820-27 (4) |
| UREY | Harold Clayton ___, US chemist who discovered deuterium in 1932; Nobel Prize for Chemistry (1934) |
| MEITNER | Lise __, Austrian-born Swedish physicist who formulated the concept of nuclear fission with her nephew, Otto Frisch (7) |
| BUNSEN | Chemist who discovered an antidote to arsenic poisoning, invented a gas burner and, with Kirchoff, determined the composition of the Sun and fixed stars (6) |
| PENALISE | Referee's job to do for Lise and Penelope with amateur in middle (8) |
| THEREMIN | Meitner and Hahn's first fantastic instrument (8) |
| RAMSAY | British chemist who discovered neon, argon, krypton and xenon, and won the 1904 Nobel Prize in Chemistry (last name only) |
| MARIECURIE | Chemist who discovered radium with her husband: 2 wds. |
| LIEBIG | Organic chemist who discovered that nitrogen was an essential plant nutrient and invented the proces |
| MICHAEL | English physicist and chemist who discovered electromagnetic induction (7,7) |
| FARADAY | English physicist and chemist who discovered electromagnetic induction (7,7) |
