There are several good beginner's/intermediate C++ books that describe how this language was formed (e.g. "C&C++ Code Capsules" by Chuck Allison). This is the story in a nutshell. . . <br>
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Bjarne Stroustrup, from Denmark, has a Ph.D. from Cambridge University (in England). While he was working for AT&T Bell labs, he was using Simula but found the performance lacking. He decided to use C as the basis for a new language that also had classes similar to Simula. His creation was originally called C with Classes. It caught on at AT&T where it was renamed C++. Eventually, an ANSI committee took over the development and "standardized" the language. <br>
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Of course, the creation and development was more complex than this. If you need more information, maybe someone can recommend some more books and other references.