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.
Sherlock Holmes pastiches Mr. Mycroft. American novelist and filmmaker Nicholas Meyer wrote three Holmes novels: "The Seven-Per-Cent Solution" (1974), "The West End Horror" (1976), and "The Canary Trainer" (1993). In 1977 the novel "Exit Sherlock Holmes: The Great Detective's Final Days" by Robert Lee Hall was published, and featured an exploration of Holmes' origins with a science fiction twist. In this account Holmes and Moriarty are revealed to be from the future. Randall Collins published in 1978 "The Case of the Philosophers' Ring", under the pseudonym Dr. John H. Watson, with Holmes' services requested at Cambridge, around 1914, by Bertrand Russell, and meeting