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.

Edward Francis Leopold Brech was a British management consultant, and author of management theory and practice books, known for his work on the history of management.