Martin Cooper was an engineer by profession. He is best known for leading the team at Motorola that developed the first handheld mobile phone in 1973.
A narrow field of study within a larger field is often called a sub-discipline.
Name your chosen field of study to receive an answer.
The field of study that produces maps and charts of the Earth is called cartography.
Some examples of fields of study include psychology, computer science, biology, economics, and history. Each of these disciplines focuses on a specific area of knowledge and uses different methodologies to explore and understand the subject matter.
"Field of study" can be written as a general reference to the area of academic specialization or interest that someone has chosen to focus on in their education or professional development. It typically refers to a specific discipline or subject area, such as biology, psychology, or engineering.
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the martin cell phone
Martin Cooper was born in Liverpool England in 1958
head phones
He has his diagram on simplyknowledge.com
justin harris
Martin Cooper was born on December 26, 1928. He is best known as a pioneer in the development of mobile communications and is often referred to as the "father of the cell phone." His work in the telecommunications field has had a significant impact on how we communicate today.
ye his mom and dad
The only reference I can find - is that he was "..born of Ukrainian Immigrants..."
http://en.wikipedia.org/wiki/Martin_Cooper
Martin Cooper we don'n now much about his childhood or his life alls we know is that he invented the Motorola cellphone!