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 ...

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 ...

On April 3, 1973, a man named Martin Cooper was walking through the streets of Manhattan carrying something no one had ever seen before: a cell phone. As he strolled, he made a call, and he made ...