Nicolai Josuttis is well known in the programming community because he not only speaks and writes with authority. Being in the C++ Standard Committee for almost 25 years now, he is the author of the world-wide best sellers:
“The C++ Standard Library” (www.cppstdlib.com),
“C++ Templates” (co-author, www.tmplbook.com),
“C++17 – The Complete Guide” (www.cppstd17.com), and
“C++ Move Semantics – The Complete Guide” (www.cppmove.com)).