| LISE | Physicist Meitner who co-discovered nuclear fission |
| HAHN | Otto -; chemist who discovered nuclear fission and protactinium with Lise Meitner (4) |
| 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. |
| ABELSON | Philip --, American physicist who co-discovered the element neptunium (7) |
| OTTOFRISCH | Working with Lise Meitner, ____ coined the term nuclear fission |
| ADAMS | Astronomer and mathematician who co-discovered Neptune; or, the athlete, who in 2012, became the first woman to win an Olympic boxing title (5) |
| IRA | Chemist Remsen who co-discovered saccharin |
| FRANCIS | Crick who co-discovered DNA structure |
| BANTINGANDBEST | Canadians who co-discovered insulin in 1921: 3 wds. |
| MACLEOD | John -; Scottish scientist who co-discovered insulin (7) |
| FRANCISCRICK | Nobelist who co-discovered the structure of DNA |
| ALANHALE | Astronomer who co-discovered a comet with Thomas Bopp |
| PENZIAS | Physics Nobelist who co-discovered cosmic |
| IDA | Chemist Noddack who co-discovered rhenium |
| CURIE | Marie who co-discovered radium |
| HEVESY | George de -; Nobel Prize-winning radio-chemist who co-discovered hafnium in 1923 (6) |
| RAMSAY | Chemist who co-discovered "idle, without work" argon, "solar" helium, "hidden" krypton", "new" neon and "strange" xenon (6) |
| RADIUM | Element that Marie Curie co-discovered |
| ATOM | Small unit of matter studied by Lise Meitner |
| THEREMIN | Meitner and Hahn's first fantastic instrument (8) |
