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.
Michaela Mycroft Peace Laureates in Chicago, she was awarded the Peace Summit Medal for Social Activism by Nobel Peace Laureate F. W. de Klerk, on behalf of all Nobel Peace Laureates. In 2013 Mycroft was awarded the World of Children Awards (Youth category) that recognizes a young person under the age of 21 who has made significant contributions in the lives of other children. On 3 September 2015, at age 21, Mycroft became the first female quadriplegic to summit Mount Kilimanjaro in Tanzania, the highest mountain in Africa. She celebrated her birthday on the mountain. Mycroft made history on 29 May 2016,