> Mycroft is named in honor of Mike, the supercomputer in Robert A. Heinlein’s classic novel “The Moon is a Harsh Mistress”. Heinlein’s Mycroft was a High-Optional, Logical, Multi-Evaluating Supervisor, Mark IV, Mod. L” – a HOLMES FOUR. Mycroft’s friend Manuel named him “Mycroft” after Sherlock’s elder brother Mycroft Holmes. This was later shortened to Mike.