Any schoolchild knows who came up with the telephone or the sewing machine. But conventional wisdom often has it all wrong.

Here’s a quick history lesson: On March 10, 1876, inventor Alexander Graham Bell -- the man behind the telephone -- successfully made the first phone call in history. The call was to his assistant, ...

On the 50th anniversary of arguably the most groundbreaking device of the century, Martin Cooper, the American engineer known as the "father of the cell phone," is concerned about people's obsession ...