Kurt Lewin: Change Management and Group Dynamics Thinker
Kurt Lewin (1890-1947) was a social psychologist whose extensive work covered studies of leadership styles and their effects, work on group decision-making, the development of force field theory, the unfreeze/change/refreeze change management model, the 'action research' approach to research, and the group dynamics approach to training, especially in the form of T-Groups.