The Adventure of the Greek Interpreter in time for the last train to Victoria. He has now presented his story at the Diogenes Club to Mycroft, who asks his brother Sherlock to look into it. An advertisement has already been placed begging the public for information. It yields a result. A Mr. Davenport knows the woman in question, and she is currently residing at the Myrtles, a house in Beckenham. Sherlock Holmes and his brother Mycroft, who received the message from Davenport, decide that they must go to Beckenham to see about this. Watson comes, too, and they decide to pick up Inspector Gregson, and Melas
Mycroft Holmes [...] the most indispensable man in the country." He apparently serves as a sort of human computer, as stated in "The Bruce-Partington Plans": Mycroft appears or is mentioned in four stories by Doyle: "The Greek Interpreter", "The Final Problem", "The Empty House" and "The Bruce-Partington Plans". While he does occasionally exert himself in these stories on behalf of his brother, he on the whole remains a sedentary problem-solver, providing solutions based on seemingly no evidence and trusting Sherlock to handle any of the practical details. In fact, Mycroft's own lack of practicality is a severe handicap despite his inductive talents: