Rapid industrialization and the demands of munitions production in World War 1 saw the emergence of management scientists and industrial engineers such as Elton Mayo and Frederick Winslow Taylor, who studied people and productivity in factories (Kanigel, 1997). Henry Ford made production-line manufacture famous with his Model T automobile and, especially important for project managers, Henry Gantt (1861-1919), who worked for Taylor, developed his now-famous charts which are still popular and used universally today
