Most people know that Mark Twain was one of America's greatest writers, but few are aware that he was also an inventor. In 1871,
improved upon the classic belt buckle with a row of
easily adjustable hooks. His original intention was for the design to be
used with menswear like vests and "pantaloons," but it turned out to be
an irresistibly handy addition to brassieres, and we've been using them
that way ever since. Plenty of people famous for their work in other
areas have doubled as inventors as well. Michael Jackson invented shoes
that allowed him to perform his gravity-defying moves on stage, and
Charlie Sheen once patented a chapstick dispenser that could be operated
in ski gloves.
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