Sergey Khoruzhiy (born 1941) is a researcher of Eastern Orthodoxy (the orthodox spirituality/ascetism), an expert in Religious philosophy and philosophical anthropology as well as a theoretical physicist, a mathematician, and a translator of James Joyce's novel “Ulysses” into Russian. Mr Khoruzhiy is a graduate of the Department of Physics of Moscow University, holding a PhD in Physics and Mathematics and currently is a member of Russian Academy of Sciences.