No. 15.

The Wizard of Oz's full name is Oscar Zoroaster Phadrig Isaac Norman Henkel Emmannuel Ambroise Diggs. He dropped the latter seven because they spelt out 'Pinhead'.

(Source: Wikipedia. Dorothy and the Wizard of Oz by L.Frank Baum.)

No. 14.

Out of all the babies born in Britain in 2011, only three were named Ethel. One was Lily Allen's daughter.

(Source: Yahoo.)

No. 13.

Stephen Hawking was born exactly three hundred years after Galileo, who is often hailed as the father of modern physics, died.

(Source: Radio 4's Dear Professor Hawking.)

No. 12.

In 1975, students from the University of Manchester protested against the dominance of Oxbridge teams on University Challenge by answering each of the questions in the first round with the name of a revolutionary.

Their institution was banned from the programme for the rest of its ITV run.

(Source: www.ukgameshows.com)

No. 11.

Mufti, a word now meaning casual clothing, originally was an Arabic term for a scholar of Sharia Law. It gained its current definition via the British Army - mufti was the vaguely Eastern clothes worn by off-duty officers.

(Source: Wikipedia. Researched as curious to the ethnic origins of the word.)

No. 10.

Although renowned for being Holmes' arch-enemy, Professor Moriarty only appears in two of Conan Doyle's stories. The character was initially created solely to kill off Sherlock in The Final Solution.

(Source: Wikipedia. Researched out of curiousity.)

No. 9.

When you have finished cooking cookies in the oven, get them onto a cooling rack as soon as possible or they will stick to the tray.

(Source: Mother's advice.)