1) The history and evolution of workforce management (WFM) began with the origins of organized labor through guilds and unions, then progressed through the industrial age, Great Depression, world wars, and information age with advances in technology and management practices. 2) Early WFM focused on productivity and piecework, evolving to consider worker psychology and organizations behavior through studies like the Hawthorne Experiments. 3) The computer age from the 1950s onward drove automation and complexity of WFM systems, beginning with payroll and moving to integrated HR, scheduling, absence planning and workforce planning systems. 4) Future WFM will continue replacing systems regularly to optimize employee scheduling and drive down labor costs through breakthroughs like