Friedrich Joachim Stengel

Friedrich Joachim Michael Stengel (29 September 1694 – 10 January 1787) was a German architect and baumeister.

Early life Friedrich Joachim Michael Stengel was born to a Protestant family in Zerbst. At the age of 14, Stengel moved to Berlin under the care of his mother's brother. He received his education from the Prussian Academy of Arts where he studied fortification engineering, civil architecture, artillery, and geometry.

In 1712, entered into military service in Saxe-Gotha as a cadet. He served several months in Northern Italy during the War of the Spanish Succession. In 1735, William Henry, Prince of Nassau-Saarbrücken commissioned Stengel to write a report on the structural condition of the Saarbrücken Castle, which was to become William Henry's residence. Stengel reported on the structural deficiencies of the castle, and was subsequently commissioned to plan the new construction in 1738. The new palace was completed in 1748.

Stengel and his family moved to Saarbrücken in 1740. Together with William Henry, Stengel renovated and expanded Saarbrücken as a Baroque residential city, and worked as chief building director in many of the towns that belonged to Nassau-Saarbrücken. He drew up building codes, surveyed, and planned and constructed new urban spaces, commercial buildings, and residential buildings. 1751–1758: Reconstruction of Dornburg Castle 1754–1758: Construction of Basilica of St. John the Baptist in Saarbrücken 1762–1775: Construction of Ludwigskirche in Saarbrücken