Sherlock Holmes is a government official. Mycroft has a unique civil service position as a kind of human database for all aspects of government policy. He lacks Sherlock's interest in physical investigation, however, preferring to spend his time at the Diogenes Club. Holmes says that he first developed his methods of deduction as an undergraduate; his earliest cases, which he pursued as an amateur, came from fellow university students. A meeting with a classmate's father led him to adopt detection as a profession, and he spent several years after university as a consultant before financial difficulties led him to accept John H.
Walter C. Mycroft (1928) was based. Their friendship does not seem to have survived their collaboration. Mycroft was elevated to head of production at Elstree during the 1930s, during which time BIP was reconstituted as the Associated British Picture Corporation. The company released a large number of films on which Mycroft was credited as producer, with varying levels of actual involvement. His adopted son, David Rees Mycroft worked as assistant director on a number of Elstree productions. David Mycroft, who isn't mentioned in Walter Mycroft's autobiography "The Time of My Life", edited by Vincent Porter and published posthumously, was an experimental filmmaker, poet