Kurt Lewin's Change Management Model, a three-step procedure created in the middle of the 20th century, is still a fundamental framework for navigating this maze.

Kurt Lewin was the doctoral advisor to Leon Festinger, who gave the world social comparison theory (Festinger, 1954) and cognitive dissonance theory (Festinger, 1957).

Maria R. Shirey, Lewin’s Theory of Planned Change as a Strategic Resource, The Journal of Nursing Administration, Vol. 43, No. 2 (February 2013), pp. 69-72 ...