| HERSCHEL | Family of astronomers, Sir William, Caroline and Sir John (8) |
| INFRARED | What invisible rays with a heating effect were discovered by astronomer Sir William Herschel in 1800? (8) |
| CONTACTLENSES | Vision-correcting devices about which Leonardo da Vinci, Rene Descartes and Sir John Herschel theorised before the first successful versions were made in 1888 (7,6) |
| FRED | British astronomer Sir ___ Hoyle |
| RYLE | British astronomer, Sir Martin ___ |
| HILLIARD | Limner at the courts of Elizabeth I and James I who also painted portrait miniatures of Mary, Queen of Scots, Sir Francis Drake and Sir Walter Raleigh (8) |
| NICHOLAS | Forename of Sir Christopher Wren or Sir John Vanbrugh's collaborator known as the "devil's architect" for his use of satanic or pagan symbols (8) |
| VANBRUGH | Sir John _, English architect and dramatist who designed Blenheim Palace (8) |
| FALSTAFF | Sir John, fat knight in The Merry Wives of Windsor (8) |
| MANDRAKE | Poisonous plant disposes of servant and Sir Francis (8) |
| CRIBBAGE | Card game invented by the English poet Sir John Suckling in the early 1600s (8) |
| THEMERRY | Shakespeare comedy featuring Sir John Falstaff, _ _ _ Windsor (3,5,5) |
| CASTAWAY | Any one of the "shipwrecked" guests on BBC Radio 4's Desert island Discs whose past examples include Princess Margaret and Sir David Attenborough (8) |
| BARONETS | Sir Samuel Cunard and Sir Henry Royce |
| LEA | Player of Caroline in "Caroline and the City" |
| ALBEDO | Proportion of astronomers excited by Denebola but without extremes of emotion (6) |
| MAX | ONE OF TWO ADOPTED BY CAROLINE AND SHAWN (DAYS) |
| FRANKIE | ONE OF TWO ADOPTED BY CAROLINE AND SHAWN (DAYS) |
| LUDLOW | Lord Rees of -; title of Martin Rees, astrophysicist who has held the post of Astronomer Royal since 1995 (6) |
| COPERNICAN | Competent manager, I am able to get hold of name of astronomer |
