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First Mobile: Martin Cooper

 The world's first mobile phone was invented by Martin Cooper, who was an engineer and executive at Motorola. On April 3, 1973, Martin Cooper made the first public mobile phone call using a handheld mobile phone. He made the call to his rival, Joel Engel, who was the head of research at Bell Labs, Motorola's competitor.

 



Martin Cooper's invention was the Motorola DynaTAC 8000x, which weighed about 1.1 kg (2.4 pounds) and had a battery life of around 20 minutes. It was a breakthrough in mobile communication and paved the way for the development of modern mobile phones and cellular networks that we use today.

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