Grasp how the ideas of Hegel, Descartes, Nietzsche, and Freud influenced the Post-Impressionists’ conception of the nature and purpose of art, impacting the focus of their work. Also, learn about pop culture trends that influenced the Post-Impressionists, such as the vogues for absinthe, spiritualism and the occult, magic shows, circuses, theatrical spectacle, and world fairs.