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Harold Stephen Black
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Born: April 14, 1898

Died: December 11, 1983 (aged 85)

Nationality: American

Occupation: Inventor

Bio: Harold Stephen Black was an American electrical engineer, who revolutionized the field of applied electronics by inventing the negative feedback amplifier in 1927. To some, his invention is considered the most important breakthrough of the twentieth century in the field of electronics, since it has a wide area of application.

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