Hippolytus of Rome (about A.D. 170-235), sometimes called Ypolitus (''Italian'', Ippolito) was an [[orthodox]] [[catholic]] [[Christianity|Christian]] [[priest]]. He was one of the most prolific ecclesiastical writers of the early Church and among the most important [[Ante-Nicene Fathers|Christian theologians of the third century]]. He is considered by historians to have been [[antipope]] of the Church of Rome from about 217 to 235. He is venerated in the Eastern Orthodox tradition as a ''hieromartyr'' <ref>In Eastern Orthodox tradition the word "hieromartyr" means "priest-martyr", a priest or bishop killed for being Christian. – [https://encyclopedia.thefreedictionary.com/Hieromartyr '''Hieromartyr''' (encyclopedia.thefreedictionary.com)]</ref>, and a saint. His Orthodox feast day is January 30. | Hippolytus of Rome (about A.D. 170-235), sometimes called Ypolitus (''Italian'', Ippolito) was an [[orthodox]] [[catholic]] [[Christianity|Christian]] [[priest]]. He was one of the most prolific ecclesiastical writers of the early Church and among the most important [[Ante-Nicene Fathers|Christian theologians of the third century]]. He is considered by historians to have been [[antipope]] of the Church of Rome from about 217 to 235. He is venerated in the Eastern Orthodox tradition as a ''hieromartyr'' <ref>In Eastern Orthodox tradition the word "hieromartyr" means "priest-martyr", a priest or bishop killed for being Christian. – [https://encyclopedia.thefreedictionary.com/Hieromartyr '''Hieromartyr''' (encyclopedia.thefreedictionary.com)]</ref>, and a saint. His Orthodox feast day is January 30. |