In 1959, Martin Cooper's job as an engineer at Motorola led him to AT&T's Bell Labs on a research project. The goal was to develop mobile phones. Please watch the video at Investors.com - The ...

These days Martin Cooper frets like everybody else about ... using a prototype that his team at electronics company Motorola had started designing only five months earlier. To needle the ...

But then, in 1973, Motorola engineer Martin Cooper showed what the future would look like: the DynaTAC 8000X. Based on Bell's cell network concept, it was the world's first handheld cell phone.

These days Martin Cooper frets like everybody else about ... using a prototype that his team at Motorola had started designing only five months earlier. To needle the competition, Cooper used ...