Joachim Ludwig Schultheiss von Unfriedt

Joachim Ludwig Schultheiss von Unfriedt (variations include Schultheiß and Unfried, 1678 – 10 June 1753) was a German Baroque architect, official, and councillor most active in Königsberg and throughout East Prussia.

Possibly born in Altruppin, Brandenburg, Schultheiss was the son of Joachim Scultetus von Unfried, a privy councilor of Frederick William I, Elector of Brandenburg. He began studying at the University of Frankfurt (Oder) on 23 August 1689 and continued his studies in Italy and France. He became Royal Prussian Engineer and Building Master (Kgl. Preuß. Ingenieur und Baumeister) in Königsberg on 9 January 1702. Schultheiss oversaw the transfer of material from the declining castle in Fischhausen to the fortifications of Pillau until 1705. He was then named Building Director (Baudirektor) on 11 June 1705.

From 1705-13 Schultheiss focused on renovating Königsberg Castle, especially an east wing which was alternately referred to as the Friedrichsbau, the Unfriedbau, and the Unfriedflügel. From 1705-10 he worked on the galleries, royal lodge, and pulpit-altar of the Schlosskirche, the church connected to the castle. Schultheiss designed the Royal Orphanage in Sackheim (1703–05), Tragheim Church (1708–10), and the Brauerhaus in Löbenicht. From 1704-05, along with Jean Baptiste Broebes and Johann Caspar Hindersin, he also aided in the transition of the manor house in Schlobitten into a palace of the Dohna family. In 1708 he renovated the church of Kaukehmen.

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