Who invented the cell phone? | HowStuffWorks
True magic: Dialing up cell phone history with "Marty" Cooper | National Museum of American History
First Handheld Cell Phone | How We Invented the World - YouTube
Did you know this black man is behind the invention of the first digital cell phone? - Face2Face Africa
The Cellphone Evolution…. On April 3, 1973, Martin Cooper who was… | by Lidian Vilazio | Medium
Inventor of world's first cellphone: Put down your devices
50 years ago, he made the first cell phone call | CNN Business
The first cell phone turns 50 years old today - NowThis
Mobile phone inventor made first call 50 years ago - BBC News
First cell phone call: 50 years ago | Sampson Independent
Who Made That Cellphone? - The New York Times
Martin Cooper (inventor) - Wikipedia
Meet the Black Inventor Who Created the First Digital Cell Phone
Inventor of cell phone: We knew someday everybody would have one - CNN.com
Cell phone history: From the first phone to today's smartphone wonders
Mobile phone - Wikipedia
Cell phone history: From the first phone to today's smartphone wonders
How Phones Made the World Your Office, Like It or Not - The New York Times
First Portable Telephone Call Made 40 years Ago Today - IEEE Spectrum
The First Cell Phone Call Was Made 50 Years Ago Today - InsideHook
History of mobile phones - Wikipedia
On this day: First cell phone call made on April 3, 1973 | PIX11
History of mobile phones | What was the first mobile phone?
The invention of mobile phones | Science Museum
