Who is associated with the classical management theory?

Both of these

Fredrick Winslow Taylor and Henri Fayol who are associated with the classical management theory. Both of them contributed immensely towards the study of management as a discipline. Whereas F.W. Taylor was an American mechanical engineer, Henri Fayol was a French mining engineer. Taylor gave the concept of ‘Scientific Management’ whereas Fayol emphasised ‘Administrative Principles’.