Dr Luthar is a historian researching topics history and historiography, philosophy of history, history of modern intellectual practices, historical revisionism, modern history of ideas and cultural history of the Great War. He is member of the International Advisory Board of the Institute for Culture Studies and Theatre History of the Austrian Academy of Sciences and member of the External Advisory Board of the Centre for the Study of the Balkans, Goldsmiths College, University of London; member of the permanent delegation of the Republic of Slovenia for cooperation in the International Holocaust Remembrance Alliance (IHRA) and member of its academic work group; and member of the National Geographic Slovenia Editorial board. Recent publications include 'Forgetting does (not) hurt: historical revisionism in post-socialist Slovenia', Nationalities papers 40, pp. 1-11; with Irena Šumi, 'Mapping the decline: multicultural coexistence in North-East Slovenia before and after the destruction of the Jewish community', in Wolf Moskovich et al. Galicia, Bukovina and other borderlands in Eastern and Central Europe: essays on interethnic contacts and multiculturalism, Jerusalem: Hebrew University, Center for Slavic Languages and Literatures; Siedlce: University of Natural Sciences and Humanities, Institute of Modern Languages and Interdisciplinary Research, 2013, pp. 287-306; Luthar et al. The land between: a history of Slovenia. 2nd, revised ed. Frankurt am Main: Peter Lang, 2013.