The Adventure of the Greek Interpreter Sherlock Holmes, far from being a one-off in terms of his powers of observation and deductive reasoning, in fact has an elder brother whose skills, or so Holmes claims, outstrip even his own. As a consequence of this, Watson becomes acquainted with the Diogenes Club and his friend's brother, Mycroft. Mycroft, as Watson learns, does not have the energy of his younger brother and as a consequence is incapable of using his great skills for detective work: In spite of his inertia, the elder Holmes has often delivered the correct answer to a problem that Sherlock has brought to him.
Brain of Britain a pseudonym, to adjudicate when an answer was imprecise. For many years Ian Gillies fulfilled the role, taking the name "Mycroft" (from Mycroft Holmes, older and wiser brother of Sherlock). After his death in April 2002, the new question setter was Kevin Ashman, who has the distinction of winning both "Brain of Britain" and "Mastermind". He chose to be known as "Jorkins", a character in Dickens' "David Copperfield". From the 2007 series a team of setters was engaged, as is the practice in most other quiz shows. For much of its life the theme music of "Brain of Britain" was