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In page John Barnard:

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While at Ferrari, Barnard ruffled a few feathers with his way of doing things. Despite being the team's Technical Director, he alienated himself from the team when he decided to set up his office in England and not at the factory in Maranello as had been the tradition even with non-Italian members of the team (like the team's chief engineer at the time, fellow Briton Harvey Postlethwaite), reasoning that it would allow more work to be done on designing the 1989 car without the distractions of the factory and the Italian press who had been known to be scathing on any Ferrari failures. He also put a ban on the team's long-standing tradition of having wine at the mechanics lunch table during testing, something that proved unpopular with the team's mostly Italian mechanics.