(Photo courtesy of Gareth Collins)
Generalleutnant Gerlach-Hans Hemmerich
Born: 04 Feb 1879 in Isernhagen, Hannover
Died: 31 Dec 1969 in Berlin
Promotions:
Unteroffizier (18 Aug 1897); Fähnrich (18 Oct 1897); Sekondeleutnant (18 Aug 1898); umbennant in Leutnant (01 Jan 1899); Oberleutnant (27 Jan 1909); Hauptmann (01 Oct 1913); Major (22 May 1918); Oberstleutnant (01 Oct 1936); Oberst (01 Aug 1937); Generalmajor (01 Dec 1939); Generalleutnant (01 Dec 1941)
Career:
Entered Army Service (26 Feb 1897)
Avantageur in the 79th Infantry-Regiment (26 Feb 1897-01 Oct 1902)
Adjutant of III. Battalion of the 79th Infantry-Regiment (01 Oct 1902-01 Oct 1905)
At the same time, Court-Officer of III. Battalion of the 79th Infantry-Regiment (02 Aug 1904-01 Oct 1905)
Adjutant & Court-Officer of District-Command Göttingen (01 Oct 1905-01 Apr 1912)
Detached to the War Academy (01 Oct 1908-21 Jul 1911)
Detached to the 1st Railway-Regiment (22 Jul 1911-20 Sep 1911)
Detached to the Grand General Staff (01 Apr 1912-22 Mar 1914)
Transferred into the Grand General Staff (22 Mar 1914-02 Aug 1914)
Transferred into the General-Staff of V. Reserve-Corps (02 Aug 1914-23 Mar 1915)
Chief of Operations (Ia) in the General-Staff of the 119th Infantry-Division (23 Mar 1915-03 Oct 1917)
Chief of Operations (Ia) in the General-Staff of Special-Purpose-General-Command 59 (03 Oct 1917-01 Apr 1918)
Chief of Operations (Ia) in the General-Staff of I. Reserve-Corps (01 Apr 1918-19 Jan 1919)
Officer of the Army and Placed to the Disposal of the General-Command of III. Army-Corps (19 Jan 1919-25 Feb 1919)
Transferred into the General-Staff of XXI. Army-Corps (25 Feb 1919-01 Oct 1919)
Transferred into the RWM (01 Oct 1919-25 Aug 1920)
Retired (25 Aug 1920)
Reactivated to Army Service (01 Oct 1936)
Department-Chief for War Mapping & Surveying Matters in the Army General Staff (01 Oct 1936-01 Nov 1941)
Chief of War Mapping & Surveying Matters, OKH (01 Nov 1941-05 Apr 1945)
Führer-Reserve OKH (05 Apr 1945-15 Sep 1945)
In Captivity (15 Sep 1945-04 Jul 1947)
Released (04 Jul 1947)

Awards & Decorations:
- Ritterkreuz des Kriegsverdienstkreuzes mit Schwertern: am 01.02.1945 als Generalleutnant und Chef der Kriegskarten- und Vermessungswesens/ OKH
- 1914 EK I
- 1914 EK II
- Ehrenkreuz für Frontkämpfer
- Wehrmacht-Dienstauszeichnung IV. bis I. Klasse
- Kriegsverdienstkreuz II. bis I. Klasse mit Schwertern


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