| Answer | Crossword Clue |
|---|---|
| WAKSMAN | Discoverer of streptomycin, 1952 Nobel prize winner. |
| MAURIAC | French writer, 1952 Nobel prize winner. |
| MAURIAC | Nobel Prize winner for Literature, 1952. |
| UREY | Nobel Prize chemist, discoverer of heavy hydrogen. |
| DDT | Banned pesticide whose discoverer won a Nobel Prize |
| DDT | Substance whose primary use earned its discoverer the 1948 Nobel Prize in Physiology - but is now banned |
