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Martin Cooper (inventor) Martin Cooper (born December 26, 1928) is an American engineer. He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field. [2][3] On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola, from ...
Martin Cooper. Martin or Marty Cooper may refer to: Martin Cooper (musicologist) (1910–1986), English music critic and author. Martin Cooper (inventor) (born 1928), designer of the first mobile phone. Marty Cooper (musician) (born 1942), American musician. Martin Cooper (rugby union) (born 1948), England international rugby union player.
Signature. James Marion Sims (January 25, 1813 – November 13, 1883) was an American physician in the field of surgery. His most famous work was the development of a surgical technique for the repair of vesicovaginal fistula, a severe complication of obstructed childbirth. [3] He is also remembered for inventing the Sims speculum, Sims sigmoid ...
Timeline of United States inventions (1890–1945) Robert H. Goddard (1882–1945), the American physicist and inventor who built and launched the world's first liquid-propellant rocket on March 16, 1926. [1] Goddard held 214 patents for his inventions and pioneering innovations in liquid-propelled, guided, and multi-stage rockets. [2] This ...
Michael Ellis DeBakey (September 7, 1908 – July 11, 2008) was an American general and cardiovascular surgeon, scientist and medical educator who became Chairman of the Department of Surgery, President, and Chancellor of Baylor College of Medicine at the Texas Medical Center in Houston, Texas. [1] His career spanned nearly eight decades.
Martin Arthur Couney (born Michael Cohen, 1869 – March 1, 1950) was an American obstetrician of German-Jewish descent, an advocate and pioneer of early neonatal technology. [1] Couney, also known as 'the Incubator Doctor', was best known in medical circles and public view for his amusement park sideshow , "The Infantorium", in which visitors ...
President & COO. Vice chairman. John Francis Mitchell (January 1, 1928 – June 9, 2009) was an American electronics engineer and president and chief operating officer of Motorola. [3] [4] Mitchell led the pioneering development and implementation of Motorola's mobile phone technology producing the first portable transistorized pager and cell ...
Earl Elmer Bakken (January 10, 1924 – October 21, 2018) was an American engineer, inventor, businessman and philanthropist of Dutch and Norwegian American ancestry. He founded Medtronic, where he developed the first external, battery-operated, transistorized, wearable artificial pacemaker in 1957. [1][2]