Motorola engineer Martin Cooper made the first cellphone call 50 years ago this week. Who did he call? His competitor at Bell Laboratories to gloat.

Martin Cooper — aka the father of the cellphone, and former head of Motorola's communications systems division — and the first person to ever make a call from a cellphone.

NEW YORK CITY -- On April 3, 1973, Martin Cooper stood on a sidewalk on sixth avenue in Manhattan with a device the size of a brick and made the first public call from a cell phone to one of the ...

LEFT: Dr. Martin Cooper with the first portable handset. He is considered the inventor of the first cell phone and was the first person to make a call on a portable cell phone in April 1973.

Martin Cooper knew he had something special in his hands when he invited reporters to watch him make the first cell phone call on April 3, 1973, in New York City. "This is a time when there were ...

Dr. Cooper is a big proponent of femtocells, which basically act kind of like access points to serve a specific, limited area.So you’d have a femtocell in your house that would serve your mobile ...

On April 3, 1973, Martin Cooper stood on a sidewalk on Sixth Avenue in Manhattan with a device the size of a brick and made the first public call from a cell phone to one of the men he’d been ...