Tenure |
Portrait |
Incumbent |
Notes |
Commissioner of German New Guinea (1885–1887) |
1885 to January 1887 |  | Gustav von Oertzen [de] | |
Landeshauptleute of the German New Guinea Company (1886–1889) |
10 June 1886 to 1 March 1888 |  | Georg von Schleinitz | |
1 March 1888 to 31 October 1889 |  | Reinhold Kraetke [de] | |
Commissioner of German New Guinea (1889–1892) |
1 November 1889 to 31 August 1892 |  | Fritz Rose [de] | Acting to 30 September 1890 |
Landeshauptleute of the German New Guinea Company (1892–1898) |
1 September 1892 to 3 March 1895 |  | Georg Schmiele [de] | |
3 March 1895 to 17 August 1896 |  | Hugo Rüdiger [de] | |
22 September 1896 to 13 August 1897 |  | Curt von Hagen | Died in office |
15 August 1897 to 11 September 1897 |  | Albert Hahl | First time, acting |
11 September 1897 to 16 October 1898 |  | Hugo Skopnik | Acting[1] |
In 1899, following the German–Spanish Treaty, the German Empire assumed direct control of the colony from the German New Guinea Company, appointing a governor. |
Governors of German New Guinea (1899–1914) |
1 April 1899 to 10 July 1901 |  | Rudolf von Bennigsen | |
10 July 1901 to 13 April 1914 |  | Albert Hahl | Second time, acting to 10 November 1902 |
13 April 1914 to 17 October 1914 |  | Eduard Haber | Acting |
In 1914, as part of the Asian and Pacific theatre of World War I, an expeditionary force from Australia called the Australian Naval and Military Expeditionary Force (AN&MEF) captured and occupied the territory following the Battle of Bita Paka and the Siege of Toma. In 1920, the territory was turned into a League of Nations mandate, administered by Australia, and formalized with the passage of the New Guinea Act 1920. |
Military Administrators of the Territory of New Guinea (1914–1921) |
11 November 1914 to 8 January 1915 |  | Colonel William Holmes | Killed in the Battle of Messines (1917) |
8 January 1915 to 21 October 1917 |  | Colonel Samuel Pethebridge | |
21 October 1917 to 21 April 1918 |  | Seaforth Simpson Mackenzie | Acting |
21 April 1918 to 1 May 1920 |  | George Johnston | |
1 May 1920 to 21 March 1921 |  | Thomas Griffiths | First time |
Administrators of the Territory of New Guinea (1921–1942) |
21 May 1921 to 13 June 1933 |  | Evan Wisdom | |
13 June 1933 to 12 September 1934 |  | Thomas Griffiths | Second time, acting |
12 September 1934 to December 1942 |  | Walter McNicoll | From 14 December 1937, Sir Walter Ramsay McNicoll; in Australia from 24 January 1942 |
24 January 1942 to 12 February 1942 |  | Kenneth Carlyle McMullen | Acting for McNicoll |
Japanese Commanders of occupied New Guinea (1942–1945) |
21 January 1942 to 1942 |  | Tomitarō Horii | |
9 November 1942 to 13 September 1945 |  | Hatazō Adachi | Commander of the 18th Army |
9 November 1942 to 6 September 1945 |  | Hitoshi Imamura | Commander of the 8th Area Army, based at Rabaul, in charge of New Guinea islands |
U.S. Military Commanders (1943–1944) |
June 1943 to September 1944 |  | Walter Krueger | Commander of the 6th Army |
September 1944 to December 1944 |  | Robert L. Eichelberger | Commander of the 8th Army |
Heads of the New Guinea Administrative Unit (1942) |
14 February 1942 to 15 February 1942 |  | George Wilfred Lambert Townsend | Based in Port Moresby |
15 February 1942 to 10 April 1942 |  | Kenneth Carlyle McMullen | Based in Port Moresby |