Marcin Knackfus

Marcin Knackfus (; ), was an architect, professor, and military captain from the Polish–Lithuanian Commonwealth.

He was first person to introduce Neoclassical architecture in Lithuania. He designed several important buildings in Vilnius, the capital and largest city of Lithuania.

Biography Marcin Knackfus was born in Wólka Ostrożeńska, Kingdom of Poland, near the city of Garwolin.

In 1773, Knackfus became an architect of the Commission of National Education and prepared projects for schools. From 1788 on, Knackfus mostly designed reconstruction projects for the city of Vilnius as well as residences for Lithuanian nobles. These include the homes of Heinrich de Reuss LXIII, the Łopaciński family, Andrzej Abramowicz, and Antoni Tyzenhaus. Knackfus worked with numerous nobles, including Vilnius bishops Ignacy Jakub Massalski and Ignacy Krasicki, Field Hetman Ludwik Tyszkiewicz, voivode Karol Stanisław Radziwiłł, Adam Kazimierz Czartoryski, and Grand Marshal Stanisław Lubomirski.

Personal life Knackfus married Agnieszka Pawłowska in 1767. They had two children, Joachim and Katarzyna. Abramavičiai Palace, home of Andrzej Abramowicz, Polish castellan and nobleman (present-day Vilnius Conservatory of Juozas Tallat-Kelpša), Vilnius (1790) Tyzenhaus Palace, home of Antoni Tyzenhaus, Major General of the Grand Duchy of Lithuania, at Trakų Street in Vilnius Old Town (around 1790) Archives of the Lithuanian Tribunal in Vilnius (1790) Łopaciński Palace, home of the wealthy Łopaciński family at Skapo Streer in Vilnius Old Town (1791) Manor and park in Paežeriai, Vilkaviškis District (1794) Parish school in Troškūnai, Utena County (1796) Designed layout of Basanavičius street in Vilnius (1798)