Adolf Köster

Adolf Köster (8 March 1883 – 18 February 1930) was a German politician of the Social Democratic Party of Germany (SPD) and diplomat.

Adolf Köster was born on 8 March 1883 in Verden an der Aller in the Province of Hanover, Prussia.

He was Abstimmungskommissar, and in that function worked successfully for German interests in the plebiscites.

[1][2] He served as Foreign Minister of Germany from 10 April to 21 June 1920 in the first cabinet of Hermann Müller based on SPD, the Zentrum and the liberal German Democratic Party (DDP).

[1] In the second cabinet of Joseph Wirth (Zentrum, SPD, DDP), he served as Minister of the Interior of Germany from 26 October 1921 to 14 November 1922.