In Memorium: Entrepreneurs Who Died in 2009

AP
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Jack Cover, Co-founder of Cover Technology

As events such as airplane hijackings grabbed headlines with greater frequency in the 1960s, Cover—a physicist and aerospace scientist—decided it was time to try to invent and market a non-lethal device for police to use in emergency situations. More than 13,000 law enforcement agencies now use his invention, which came to be known as the Taser.