Fayol was a classical management theorist, widely regarded as the father of modern operational-management theory. His ideas are a fundamental part of modern management concepts.
Source: Boundless. “Administrative Management: Fayol's Principles.” Boundless Management. Boundless, 12 Aug. 2015. Retrieved 15 Sep. 2015 from https://www.boundless.com/management/textbooks/boundless-management-textbook/organizational-theory-3/classical-perspectives-29/administrative-management-fayol-s-principles-167-4018/