| REITH | John --, Scottish pioneer of broadcasting (5) |
| GRIERSON | John ----, Scottish pioneer of documentary films (8) |
| BAIRD | John Logie _; Scottish pioneer of television (5) |
| LOGIE | John ___ Baird, Scottish pioneer of television (5) |
| ADAMSMITH | Scottish pioneer of political economy, author of The Wealth of Nations (4,5) |
| BOYLE | John ..... , Scottish defender; Chelsea 1971 European Cup Winners' Cup Final winner (5) |
| SMITH | John, Scottish politician who succeeded Neil Kinnock as Labour leader in 1992 (5) |
| RANKINE | William -, Scottish pioneer of thermodynamics |
| ROBERTWATSONWATT | Scottish pioneer of radar technology (6,6-4) |
| RADIO | One way of broadcasting a source of danger in port (5) |
| BESOM | Head of broadcasting organised some cleaner (5) |
| BATCH | Drunken chat after head of broadcasting gets consignment (5) |
| RADII | The bones of broadcasting unit briefly close to his heart (5) |
| ONAIR | In the act of broadcasting (2,3) |
| TIMES | Means of broadcasting for flying concerns? (8) |
| CARAY | Chip, Skip or Harry of broadcasting |
| LINES | see 19ac, Means of broadcasting for flying concerns? (8) |
| MCADAM | John, Scottish inventor of a type of road surface (6) |
| GALT | John -, Scottish author of novels The Ayrshire Legatees and Annals of the Parish (4) |
| NAPIER | John, Scottish mathematician who originated the concept of logarithms (6) |