| MACLEOD | John -; Scottish scientist who co-discovered insulin (7) |
| BANTINGANDBEST | Canadians who co-discovered insulin in 1921: 3 wds. |
| FLEMING | Scottish scientist who discovered penicillin, Alexander ... |
| DEWAR | James, Scottish scientist who invented the vacuum flask (5) |
| BEST | Banting & ___ discovered insulin (4) |
| ABELSON | Philip --, American physicist who co-discovered the element neptunium (7) |
| FRANCIS | Crick who co-discovered DNA structure |
| PENZIAS | Physics Nobelist who co-discovered cosmic |
| WOZNIAK | US computer scientist who co-founded Apple Inc. with Steve Jobs in 1976 (5,7) |
| PHYSICS | Field of Scottish scientist James Clerk Maxwell (7) |
| RANKINE | Scottish scientist giving name to a temperature scale |
| MAXWELL | Scottish scientist is the biggest possible bore |
| REVERSE | Scottish scientists always held back (7) |
| THOMSON | J. J. -; discoverer of the electron whose son George co-discovered the diffraction of electrons by crystals (7) |
| INSULIN | It was co-discovered by Canadian researchers Banting and Best in 1921 |
| OGILVIE | St John, Scottish Jesuit priest and martyr finally canonised in 1976 (7) |
| HIGGINS | John, Scottish snooker player nicknamed The Wizard of Wishaw (7) |
| BALLIOL | John ----, Scottish king aka Toom Tabard (7) |
| 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 |