[[Image:HilarionVienna.JPG|right|thumb|200px|Bishop Hilarion speaks to the Central Committee of the World Council of Churches]]
Bishop Archbishop '''Hilarion (Alfeyev) of Vienna and AustriaVolokolamsk''', is a hierarch of the [[Moscow Patriarchate]], [[theologian]], church historian, and composer. He is also the author of several volumes on dogmatic [[theology]], [[patristics]] and church history, numerous articles in various languages, and musical compositions.
==Biography==