Karl Jaspers
23 February 1883 — 26 February 1969
Karl Theodor Jaspers was a German-Swiss psychiatrist and philosopher who had a strong influence on modern theology, psychiatry, and philosophy. His 1913 work General Psychopathology influenced many later diagnostic criteria, and argued for a distinction between "primary" and "secondary" delusions.
A memorial on Digital Cemetery, an endless map you can explore. This grave stands at coordinates -46, -76.