Biography of Russian director, playwright and art theoretician Nikolai Nikolayevich Evreinov (1879, Moscow – 1953, Paris) based on Russian and French sources covers his theatre activities from the start till 1925, the year of his emigration. Despite being one of the most important personalities of Russian Silver Age, Evreinov was erased from the official records after he had left Russia, his memory being doomed to oblivion. However, the current research on his theatre works suggests his contribution to the theatre might be significantly reevaluated and reappreciated in the future. The given paper draws on these new findings, presenting noteworthy information on Evreinov’s life as yet often unknown to the Czech scholarly public.