| FLEMING | Alexander ?, Scottish discoverer of penicillin |
| MOULD | Source of penicillin doctor pulled out of odd places |
| ERNST | Nobelist Chain of penicillin fame |
| UPTURN | Posh performer taking bit of penicillin will make recovery (6) |
| ACCIDENT | Discovery of penicillin, e.g. |
| MOLD | Original source of penicillin |
| OFFICINAL | Representative collects last of penicillin for treatment (9) |
| SANMARINO | Small country hospital injecting famous plumber with last of penicillin |
| EXCLUSIONPRINCIPLE | Pauli's scientific idea: variant of penicillin cures pox |
| ILL | Sick from a small dose of penicillin (3) |
| POPE | Alexander ?, author of The Rape of the Lock (4) |
| SELKIRK | Alexander - - -, Scottish sailor marooned on a South Pacific island, regarded as inspiration for Defoe's Robinson Crusoe (7) |
| HAIG | Alexander ?, US Secretary of State from 1981-82 (4) |
| BORODIN | Alexander ?, 19th-century Russian composer of unfinished opera Prince Igor |
| GLAZUNOV | Alexander ?, Russian composer of 1898 ballet Raymonda |
| HAMILTON | Alexander ?, United States Secretary of the Treasury from 1789-95 |
| DUTCH | Wife of King Willem-Alexander? (5) |
| SQUIBB | Early producer of penicillin |
| MCGILLIVRAY | Alexander ?, 18th-century Creek leader who helped draft the Treaty of New York in 1790 (11) |
| KERENSKY | Alexander ?, minister-chairman of the Russian Provisional Government from July-November 1917 (8) |
