"I said I was the greatest, not the smartest." - Muhammad Ali
In a speech honouring Margaret Thatcher this week, Boris Johnson called for more to be done to help the 2% of the population who have an IQ above 130.
Well, you wouldn't have wanted to help any of this lot then, Boris.
Yes, here are 10 remarkable people who would fail the Mayor of London's over-130 IQ test, according to biographies, records or estimates. It includes Presidents of the United States - in fact, plenty of American Presidents are believed to have had IQs of under 130 - Nobel Prize winners and two highly successful (pop) artists.
Famous People With An IQ Under 130
Muhammad Ali - 78(01 of10)
Open Image ModalWorld champion boxer; Sports Illustrated's Sportsman of the Century and the BBC's Sports Personality of the Century.
Abraham Lincoln - 128(02 of10)
Open Image Modal16th President of the United States; the President who abolished slavery.
Dr James Watson - 124(03 of10)
Open Image ModalNobel-Prize winning scientist and co-discoverer of the structure of DNA along with...
Francis Crick - 115(04 of10)
Open Image ModalNobel-Prize winning molecular biologist.
Ronald Reagan - 105(05 of10)
Open Image Modal40th President of the United States.
Andy Warhol - 86(06 of10)
Open Image ModalArtist and most famous figure of the Pop Art movement.
E.O. Wilson - 123(07 of10)
Open Image ModalPulitzer Prize-winning scientist.
John F. Kennedy(08 of10)
Open Image Modal35th President of the United States.
Richard P. Feynman - 125(09 of10)
Open Image ModalTheoretical physicist and Nobel Prize winner.
Britney Spears - 104(10 of10)
Open Image ModalThe best-selling female artist of the first decade of the 21st century and the highest paid female musician of 2012.