Play Live Radio
Next Up:
0:00
0:00
Available On Air Stations
Watch Live

Local

Martin Cooper, who led the team that built the first mobile cellphone, sits behind a prototype of that phone at his home, April 4, 2025, in San Diego.
Gregory Bull
/
AP
Martin Cooper changed the world when he invented the portable phone. The Motorola company’s four-pound box has evolved into a global army of powerful smartphones weighing ounces.
MORE STORIES
Sign up for our newsletters!
Keep up with all the latest news, arts and culture, and TV highlights from KPBS.