Heinz Wilhelm Guderian (German: [haɪnts ˈvɪlhɛlm ɡuˈdeːʁi.an]; 17 June 1888 – 14 May 1954) was a German general during World War II who, after the war, became a successful memoirist. An early pioneer and advocate of the "blitzkrieg" approach, he played a central role in the development of the panzer division concept. In 1936, he became the Inspector of Motorized Troops. At the beginning of the Second World War, Guderian led an armoured corps in the Invasion of Poland.
https://en.wikipedia.org/wiki/Heinz_Guderian