Eugen Zelenak is an assistant professor at the Department of Philosophy at the Faculty of Philosophy of the Catholic University in Ruzomberok, Slovakia. He teaches courses on logic, philosophy of science and philosophy of history. In his research he focuses on the debates in the philosophy of historiography and on the issues of explanation and causation. He took his M.A. degree in philosophy and history at Matej Bel University in Banska Bystrica. He did his Ph.D. studies at the Institute of Philosophy of the Slovak Academy of Sciences in Bratislava in the area of philosophy of science. His thesis ﾓOn the Issue of Explanation in Historical Knowledgeﾔ was completed under the supervision of Prof. Tatiana Sedova in 2005 and defended in 2006. During his work on the thesis he spent eight months doing research at Rijksuniversiteit Groningen in the Netherlands. He has published several papers in Slovak philosophy journals and conference proceedings.