Art historian specialising in twentieth-century Central and Eastern-European art, Professor of the Adam Mickiewicz University (UAM) in Poznań, former director of the Institute of Art History at UAM (1999-2008) and the National Museum in Warsaw (2009-2010). Author of about 300 articles published in Europe and the United States and a dozen books, including Znaczenia modernizmu (1999, 2011), Awangarda w cieniu Jałty (2005, English edition as In the Shadow of Yalta 2009), Agorafilia (2010), Muzeum Krytyczne (2011). Winner of many awards, including The Igor Zabel Award for Culture and Theory (2010).