Karl Friedrich Alfred Heinrich Ferdinand Maria Graf Eckbrecht von Dürckheim-Montmartin (24 October 1896 – 28 December 1988) was a German diplomat, psychotherapist and Zen master.
A veteran of World War I, he was introduced to Zen Buddhism early in life.
After obtaining a doctorate in psychology, he became an avid supporter of the Nazi Party.
Following World War II he was imprisoned in Japan which transformed him spiritually.
Upon returning to Germany he became a leading proponent of the Western esoteric spiritual tradition, synthesizing teachings from Christian Mysticism, Depth Psychology and Zen Buddhism.