Nelson Piquet in the Brabham. For years he was the only thing I knew about Brazil. I presumed all Brazillians were racing drivers. (Then I saw a World Cup.)
That and this rather dumb joke:
Q> Who won the 1984 Formula 1 Drver's Championship?
A> Lauda.
Q> WHO WON THE 1984 FORMULA 1 DRIVER'S CHAMPIONSHIP!