Ernst Hartmann (born 10 November 1915 in Mannheim, d. 23 October 1992 in Waldkatzenbach, a suburb of Waldbrunn (Odenwald)) in Germany was a German medical doctor, author and publicist.
[3] During World War II he worked as a staff physician in the German army and later was briefly in American captivity.
Subsequently he opened a medical practice in Eberbach on the river Neckar, where he remained more than 40 years as a practitioner.
[4] Besides his work as a doctor, in 1948, Ernst Hartmann occupied himself, together with his brother Robert, with geobiology and dowsing.
),[7] a registered association with the goal of promoting research and training in geobiology, was founded by him in 1961.