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Alexander Graham Bell

Alexander Graham Bell (March 3, 1847 – August 2, 1922) lexander Bell was born in Edinburgh was a Scottish-born scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephon and founding the American Telephone and Telegraph Company (AT&T) in 1885.

Nikola Tesla

Nikola Tesla (/ˈtɛslə/; Serbian Cyrillic: Никола Тесла Serbo-Croatian pronunciation: [nikoːla tesla]; 10 July 1856 – 7 January 1943) Born and raised in the Austrian Empire , was a Serbian-American inventor, electrical engineer, mechanical engineer, physicist, and futurist who is best known for his contributions to the design of the modern alternating current (AC) electricity supply system.

Martin Cooper

Martin “Marty” Cooper (born December 26, 1928) is an American engineer. born in Chicago, Illinois, United States He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field.

Steven Jobs

Steven Paul Jobs (/dʒɒbz/; February 24, 1955 – October 5, 2011) born in San Francisco, California, US , was an American entrepreneur, business magnate, inventor, and industrial designer. He was the chairman, chief executive officer (CEO), and a co-founder of Apple Inc., CEO and majority shareholder of Pixar, a member of The Walt Disney Company’s board of directors following its acquisition of Pixar, and the founder, chairman, and CEO of NeXT. Jobs and Apple co-founder Steve Wozniak are widely recognized as pioneers of the microcomputer revolution of the 1970s and 1980s.

References:

• Wikipedia
• www.biography.com/people/

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