Michał Tadeusz Witwicki, an architect and conservator of historical monuments, was born on 22 July 1921 in Lwów. After the outbreak of World War II in September 1939, he defended his hometown. In March 1942, Witwicki moved to Warsaw, where he joined the Home Army and participated in the Warsaw Uprising. From October 1944 to 2 May 1945 he was a prisoner of the German GrossBorn IID camp. After the Second World War, Witwicki took up residence in West Germany and in 1947 he returned to Poland. At first, he lived in Łódź and subsequently in Falenica near Warsaw. In 1949, Witwicki began studying at the Department of Architecture of the Warsaw University of Technology, from which he graduated in 1954. In that same year, he moved to Warsaw. Upon his graduation, Witwicki remained at the University of Technology, at the Chair of Urban Planning of the Institute of the History of Urban Construction at the Department of Architecture. Subsequently, he worked in, i.a. the Ministry of Culture and Art, the Institute of Urban Planning and Architecture, and the Institute of the Creation of the Environment. Witwicki also worked abroad: in the A. and M. Pionchon Architectural Workshop in Lyon (France) and in bureaus of the COMEDOR and ECOTEC projects in Algiers. He is the author of a conception of the modernisation of the old Kasbah quarter in Algiers. Witwicki participated in the works of the Expert Team of the Inter- Ministerial Commission for the Revalorisation of Towns, followed by the Expert Team of the Centre for the Documentation of Historical Monuments, and finally became an independent expert of the Minister of Culture and the Historical Monuments and Art Conservation Association. A member of the Historical Monuments and Art Conservation Association and ICOMOS-Polska. Michał T. Witwicki is the author and co-author of numerous publications about the conservation of architectural and urban planning historical monuments. He was actively involved in the planning of rebuilding, expanding and restoring historical buildings. Michał T. Witwicki died on 10 July 2007.