Leading historian of Slovak architecture of the 20th century. He came to the Czech Technical University in 2008 from Bratislava, where he graduated in architecture (1974) and became a professor (2000). At the same time he worked at the Slovak Academy of Sciences, where he dealt with the history of 20th century architecture and led the magazine Architecture & Urbanism. Among his monographs, Architecture of Slovakia of the 20th Century (2002) is the most cited. A monograph Architect Emil Belluš (2010) wrote about the founder of modern architecture in Slovakia. He worked as a vice-dean for science at the Czech Technical University and since 2008 he has been the head of the Department of Theory and History of Architecture, where he and his colleagues compiled the book Chapters from the History of Housing (2014). For his theoretical work he has won numerous awards in Slovakia, such as the Martin Kusý Award twice and the Golden Plaque of Aurel Stodola SAS.