Lyndall Fownes Urwick was a British management consultant and business thinker. He is recognised for integrating the ideas of earlier theorists like Henri Fayol into a comprehensive theory of management administration. He wrote an influential book called The Elements of Business Administration, published in 1943. With Luther Gulick, he founded the academic journal Administrative Science Quarterly.

Luther Halsey Gulick (1892–1993) was an American political scientist, Eaton Professor of Municipal Science and Administration at Columbia University, and Director of its Institute of Public Administration, known as an expert on public administration.