Theorists; Einstein, King, Tolle, Choprathat

Choose the theorist ( Einstein, King, Tolle, Choprathat) you feel (a) most closely reflects the 2021 attitude toward happiness and (b) best illuminates the happiness stories of Groundhog Day and The Pursuit of Happiness, and (c) most closely reflects your own personal perception of happiness. You can choose one theorist for all three, or separate theorists.