Conversation so far:
in a programming language what is a standard library
In the C++ programming language, the C++ Standard Library is a collection of classes and functions, which are written in the core language.
What is C++?
C++ is a high-level, general-purpose programming language created by Bjarne Stroustrup as an extension of the C programming language, or C with Classes.
What are classes in regards to programming languages?
In object-oriented programming, a class is an extensible program-code-template for creating objects, providing initial values for state and implementations of behavior.

Question: who is the creator of the language
Self-contained rewrite: Who's  Bjarne Stroustrup?