The BASIC programming language turns 60 Easy-to-use language that drove Apple, TRS-80, IBM, and Commodore PCs debuted in 1964.

Once upon a time, knowing how to use a computer was virtually synonymous with knowing how to program one. And the thing that made it possible was a programming language called BASIC.

Chris Lattner spent a year and a half creating a new programming language—a new way of designing, building, and running computer software—and he didn’t mention it to anyone, not even his ...