Every year, CppCon promises you a strong keynote lineup, and every year we deliver. But this year we get to do something rarer: announce a once-in-a-lifetime keynote panel of interest not just to C++ developers, but to our whole industry. On Tuesday morning, September 15, the CppCon main stage will host a Language Designers Panel featuring three of the people who decide what the languages you use every day actually become: Bjarne Stroustrup , the creator of C++ (who will have just given his own Monday conference kickoff keynote the day before) Guido van Rossum , the creator of Python Mads Torg