| Answer | Crossword Clue |
|---|---|
| DDT | Subj. of the 1948 Nobel in Physiology or Medicine |
| DDT | Substance whose primary use earned its discoverer the 1948 Nobel Prize in Physiology - but is now banned |
| DDT | Chem. that won Müller the 1948 Nobel Prize in Medicine |
| DNA | Subj. of the 1962 Nobel Prize in Medicine |
