| NECESSITY | ___ is the mother of invention, proverb (9) |
| UNCLE | "If necessity is the mother of invention, urgency is the of change": Nell Scovell (5) |
| UNCLEMEAT | 1969 Frank Zappa and the Mothers of Invention double album |
| INVENTION | Necessity is the mother of ___ (9) |
| ANNEMEARA | American actress and comedienne who is the mother of Ben Stiller |
| MATRIARCH | A woman who is the mother and head of a family (9) |
| FRANKZAPPA | American musician, leader of the band The Mothers of Invention (5,5) |
| ZAPPA | Guitarist Frank of the "Mothers of Invention" |
| FRANK | Zappa whose band, The Mothers of Invention, recorded the album "Burnt Weeny Sandwich" |
| RHEA | Who is the mother of the gods and Zeus's mother and left him in the care of a nurse on Crete? |
| WILSON | 60s music producer whose work included albums with Dylan, Velvet Underground and The Mothers Of Invention, Tom ... |
| CHESTERTHOMPSON | American drummer who performed with Frank Zappa and the Mothers of Invention, and Genesis (7,8) |
| IDEA | The mother of invention |
| QUEENELEANOR | Who is the mother of King John in The Life and Death of King John? |
| JANET | First name of Miss Ellis, the former Blue Peter presenter who is the mother of pop star Sophie Ellis-Bextor (5) |
| MATERNITYTEST | A medical test to determine if a woman is the mother of a particular child (9,4) |
| SYCORAX | Unseen character in William Shakespeare's The Tempest who is the mother of Caliban (7) |
| ELLIS | Janet, former Blue Peter presenter who is the mother of Murder On The Dancefloor singer Sophie (5) |
| IGRAINE | Daughter of a Welsh prince who, in legend, is the mother of King Arthur (7) |
| CRIME | "Poverty is the mother of ___": Marcus Aurelius |
