Ian Gillies (1927-2002), known to many simply as Mycroft from BBC Radio 4's Brain of Britain, was an accomplished quiz player and question setter in the United Kingdom. His character name was taken from Arthur Conan Doyle's Mycroft Holmes, the smarter older brother of Sherlock Holmes.
He won the Brain of Britain final in 1964 and later the three-year competition Brain of Brains and the nine-year-final Top Brain.
He turned question author for the show that he previously won, Brain of Britain. He died in 2002 and was replaced by future world champion Kevin Ashman.
- Oxford Dictionary of National Biography