About Erwin von Lahousen
Erwin Heinrich René Lahousen, Edler von Vivremont was a German military office who was a high-ranking Abwehr official during the Second World War, as well as a member of the German Resistance and a key player in attempts to assassinate Adolf Hitler on 13 March 1943 and 20 July 1944. Call Your First Witness: The Untold Story of Abwehr General Erwin Lahousen, First U.S. An Austrian from an aristocratic family, Lahousen served in the Austro-Hungarian Army during the First World War. Lahousen was the first witness for the prosecution, his prominence due to being the sole survivor of the 'Abwehr resistance'. Lahousen became a member of a circle of hand-picked officers opposed to Hitler who ran the intelligence agency.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.