The last, 4th rule of the Beatles team, described by A. Sobel, is as follows: Select people who are very different from each other to the team, invite both specialists and laymen, try to introduce friendly competition in creative problem solving. The most famous duo in the history of music – John Lennon and Paul McCartney – are both a duo of contradictions and sparking opposites. When they met in July 1957, Lennon was a cynical young 16-year-old who constantly got into youthful trouble. McCartney conversely was well-mannered and optimistic about the world. Lennon hated the public and being popular,
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