A job description's primary purpose is employee recruitment. The job description alerts potential employees to the job opening and the job's requirements. As a result, the job description meets the company's need to attract qualified employees as defined by the job summary and job functions specified in the description.
dr martin cooper is the person credited with both inventing the modern cell phone as well as making the first cell phone call in new york city new york in april 1973 a related invention is the cave radio phone invented by nathan stubblefield who was awarded a patent for the idea in the early 20 th century 1908
1 Cooper is also the first person to make a call on a cell phone. 2  He called a rival, Dr Joel S Engel, who was also working on inventing a cell phone. 3  He made the call in New York City, to the amazement of people who were passing by!is was the first design that was practical and was truly âmobileâ (car phones have previously been invented-but they could only be used in a car). The first commercially available cell phone was not sold until six years later (in 1979).