Army Group Vistula
Gotthard Fedor August Heinrici (25 December 1886 – 10 December 1971) was a German general during World War II. Heinrici is considered as the premier defensive expert of the "Wehrmacht". His final command was Army Group Vistula, formed from the remnants of Army Group A and Army Group Center to defend Berlin from the Soviet armies advancing from the Vistula River.