| Clue | Source | Date |
|---|---|---|
| He was one of the Dragons' Den dragons, Duncan ___ (9) | ||
| Entrepreneur and former Dragon in Dragons' Den, Duncan _ (9) | ||
| Ex-dragons' Den investor, Duncan ___ (9) | ||
| Entrepreneur Duncan ____ founded one of the largest health club chains in the UK | The Times Specialist Sunday | 14 Jan 2024 |