Heinz Guderian was a German general during World War II, known for his innovative tactics in armored warfare. He played a crucial role in developing the concept of Blitzkrieg, which emphasized speed and surprise in military operations. Guderian's strategies were instrumental in the early successes of the German Army during the war. Born on June 17, 1888, Guderian joined the German Army in 1907 and quickly rose through the ranks. He authored several military books, including "Achtung – Panzer!" which outlined his theories on tank warfare. Guderian's contributions significantly influenced modern military tactics and the use of tanks in combat.