MARTIN COOPER

Martin cooper has 86 years old. He was born on december 26 of 1928, in chicago, united states.Cooper earned his master´s degree in electrical engeneering from the university illinois in 1957.He began work with motorola in 1954, and it was during his tenure there, in 1973, that he invented the first cellular phone.Cooper's inspiration for undertaking the project was the star trek television series.The original phone weighed a gargantuan 2.4 pounds, and was referred to as the ¨brick¨.This cell phone had only 20 minutes of battery life when talking.Once the phone battery was drained, it took 10 hours to charge it.

Later, in 1983, Motorola intoduced the DYNATAC PHONE wich was about half as heavy, with a price tag of more than $ 3500.Cellular phone user were few and far between up until about 1990, when the million-subscriber mark was hit.Martin cooper not only helped invent the first handheld mobile phone, also played a key role in the development of pager technology.

Cooper left Motorola during 1983 to create a new company that built software and billing systems for the cellular industry, where he works until today.