Arnis Ritups holds a Ph.D. in philosophy from KULeuven (Belgium), he specializes in Aristotle and his Greek commentators. He is also a Latvian translator of Descartes’ “Meditations on the First Philosophy”; part-time lecturer at Latvian University, KU Leuven, Stockholm School of Economics in Riga, and Latvian Academy of Fine Arts. He is a publisher of an intellectual magazine “Rigas Laiks”, published in Latvian (since 1993), Russian (since 2012), and English (annually since 2016). Arnis is a conversation partner with many interesting people around the world. He is engaged in a series of interviews with the world's most interesting scientists. He looks to find what are their answers to the Big Questions, and what do they think about the knowledge, the unknown, and the unknowable.