General der Nachrichtentruppe Erich Fellgiebel (4 Oct 1886 - 4 September 1944) began his armed services career inwards September 1905 every bit a cadet inwards a dot battalion. After the First World War, he was transferred to Berlin every bit a General Staff officer. In 1938 he became caput of the the world forces dot corps as well as caput of armed forces communications inwards Armed Forces High Command. His sometime superior Colonel-General Ludwig Beck as well as Beck's successor Colonel-General Franz Halder brought Fellgiebel into contact alongside the armed services resistance circles. He was a cardinal figure inwards the preparations for Operation "Valkyrie." Adolf Hitler did non fully trust Fellgiebel; Hitler considered him also independent-minded, simply Hitler needed Fellgiebel's expertise. Fellgiebel was ane of the commencement to empathise that the German linguistic communication armed services should adopt as well as role the Enigma encryption machine. As caput of Hitler's dot services, Fellgiebel knew every armed services secret, including Wernher von Braun's rocketry move at the Peenemünde Army Research Center. On July 20, 1944, Fellgiebel was inwards the "Wolf's Lair," Hitler's headquarters inwards East Prussia, where he attempted to cutting off all communications alongside this middle of power. Yet in ane lawsuit it was clear that Hitler had survived the assassination attempt, Fellgiebel was forced to countermand previous orders as well as reestablish communications. Fellgiebel's virtually famous deed that twenty-four lx minutes menstruum was his call written report to his co-conspirator General Fritz Thiele at the Bendlerblock, afterward he was informed that Hitler was nonetheless alive: "Etwas Furchtbares ist passiert! Der Führer lebt!" ("Something awful has happened! The Führer lives!"). Fellgiebel was arrested directly at Wolf's Lair as well as tortured for iii weeks, simply did non let on whatever names of his co-conspirators. He was charged earlier the Volksgerichtshof ("People's Court"). On 10 August 1944, he was found guilty past times Roland Freisler as well as sentenced to death. He was executed on 4 September 1944 at Plötzensee Prison inwards Berlin.
Source :
https://en.wikipedia.org/wiki/Erich_Fellgiebel
http://e-wiki.org/tr/images/Plot_to_Assassinate_Hitler_1944
https://www.gdw-berlin.de/en/recess/biographies/index_of_persons/biographie/view-bio/erich-fellgiebel/?no_cache=1