The evolution of modern management began after the industrial revolution when managers looked for ways to manage the organization"s resources and how to increase the efficiency of employers. He found that organizations with specialized employees are much more effective than organization with employees performing all the duties and tasks involved in the production of a good. Job specialization is the process by which a division of labour occurs as different employees specialize in different tasks over time. Smith claimed that an increase in job specialization increases efficiency and leads to higher organizational performance: w. taylor and. Taylor is best known for defining the techniques of scientific management, the systematic study of relationships between people and tasks for the purpose of redesigning the work process to increase efficiency. Believed that the production process would become more efficient if the amount of time and effort used to produce a good could be reduced.