The object
Cooper led development of Motorola's DynaTAC handheld cellular telephone and made its landmark public cellular call. The product established that a phone could be a personal carried radio rather than a vehicle-mounted terminal, defining the handset form factor.
01
What Martin did
Led the Motorola team that developed and demonstrated the first handheld cellular telephone.
02
Why it matters
NIHF identifies Cooper's handheld cellular telephone as the first of its kind and documents the technology's transformation of communication.
03
Living-status check
Dyna LLC's 2026 leadership profile identifies Cooper as chairman and co-founder, documenting a current role.