Martin Cooper, who changed the world when he invented the portable phone, says the communication revolution it sprouted has ...

DEL MAR, Calif. -- Dick Tracy got an atom-powered two-way wrist radio in 1946. Marty Cooper never forgot it.

LIFESTYLE He pioneered the cellphone. It changed how people around the world talk to each other — and don’t Jul 1, 2025, 9:03 PM ...

He pioneered the cellphone. It changed how people around the world talk to each other — and don’t Martin Cooper changed the world when he pioneered the portable phone ...

Business He pioneered the cellphone. It changed how people around the world talk to each other — and don't Automated narration. Learn more ...