Martin cooper life biography of priyanka

American engineer (born 1928)

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 a Manhattan sidewalk to his counterpart at competitor Bell Labs.^[4][5] Cooper reprised the first handheld cellular mobile phone (distinct from the car phone) in 1973 and led the team that re-developed it and brought it to market in 1983.^[6][7] He is considered the "father of the (handheld) cell phone".^[2][6][8][9]

Cooper is co-founder of numerous communications companies with his wife and business partner Arlene Harris;^[10] He is co-founder and current Chairman of Dyna LLC, in Del Mar, California.

C Martin Cooper | Biography, Inventions, & Facts | Britannica XOW