Rudolf-Christoph von Gersdorff
Rudolf-Christoph Freiherr von Gersdorff (27 March 1905 – 27 January 1980) was an officer in the German Army. As a Wehrmacht intelligence officer, he attempted to assassinate Adolf Hitler by suicide bombing on 21 March 1943; the plan failed when Hitler left early, but Gersdorff was undetected.
Source: Wikipedia — Rudolf-Christoph von Gersdorff (CC BY-SA 4.0)