Karl Jaspers
"Karl Jaspers (1883–1969) began his academic career working as a psychiatrist and, after a period of transition, he converted to philosophy in the early 1920s. Throughout the middle decades of the twentieth century he exercised considerable influence on a number of areas of philosophical inquiry: especially on epistemology, the philosophy of religion, and political theory. His philosophy has its foundation in a subjective-experiential transformation of Kantian philosophy, which reconstructs Kantian transcendentalism as a doctrine of particular experience and spontaneous freedom, …