2MMTime
                                       Cyprian, St.
Personal
Convert to Christianity c. 245
Bishop of Carthage, 248
One of the most authoritative Fathers 
  of the Church
Involved in controversy over treatment
  of those who had left the Church, and
  those who were baptized by heretics:
Accepted the teaching of Rome.
Place and dates
(Carthage) 200-258
Writings
On Unity of the Catholic Church: exposition of the hierarchical
  organization of the Church
St. Cyprian of Carthage