Heinrich Alexander (from 1841 Freiherr) von Arnim(-Suckow) (born 13 February 1798 in Berlin; died 5 January 1861 in Düsseldorf) was a Prussian statesman. Arnim received his education in the Pädagogium in Halle, then in 1814 joined the cavalry of the Landwehr of the Uckermark and fought with five brothers in the War of the Sixth Coalition. He joined the Prussian civil service in 1820, he was at first an embassy attaché in Switzerland, then a legation secretary in Munich, Copenhagen and Naples and was made chargé d'affaires in Darmstadt in 1829. There, he successfully worked towards the creation of the Zollverein, after which he was made an Expert Councillor (Vortragender Rat) in the Foreign Ministry in 1834. However, Frederick William IV, with whom he was in close personal contact, made him