Marek Tamm is Professor of Cultural History at Tallinn University, Estonia. He has recently published Rethinking Historical Time: New Approaches to Presentism (ed. with Laurent Olivier, 2019), Juri Lotman – Culture, Memory and History: Essays in Cultural Semiotics (ed., 2019) and A Cultural History of Memory in the Early Modern Age (ed. with Alessandro Arcangeli, 2020). Peeter Torop is Professor of Semiotics of Culture at the University of Tartu, Estonia. He is Co-Editor of the Sign Systems Studies journal and the Tartu Semiotics Library book series.