Questions to be answered:
East: Bishop St. Irenaeus of Lyons says in 180 
West: Bishop St. Cyprian the Martyr of Carthage says in 350 
East: St. Jacob Aphraates the Sage of Persia says before 345 [Treatise 7:1],
Moreover, among the sons of Adam there is none besides Him who might enter the race without being wounded or swallowed up. For sin has ruled from the time Adam transgressed the command. By one among the many was it swallowed up; many did it wound, and many did it kill; but none among the many killed it until our Savior came, Who took it on Himself and fixed it to His cross.WRH:
East: Deacon St. Ephraim the Syrian (Doctor) says in 350 [Hymns on the Epiphany 10:1], "Adam sinned and earned all sorrows; likewise the world after His example, all guilt. And instead of considering how it should be restored--considered how its fall should be pleasant for it. Glory to Him Who came and restored it!"
East: Patriarch St. Athanasius I the Great of Alexandria (Doctor) says in 360 [Discourses Against the Arians 1:12:51 in PG 12:117C], "For since the first man Adam altered, and through sin death came into the world... For as when Adam had transgressed, his sin reached unto all men..."
East: Bishop St. Basil the Great of Caesarea (Doctor, Cappadocian Father, & Holy Hierarch) says in 379 
East: Patriarch St. Gregory Nazianzen the Great Theologian of Constantinople (Doctor, Cappadocian Father, & Holy Hierarch) says in the middle of 380 [Orations Against the Arians 33:9 in PG 36:225BC],
And further, above this, we have in common reason, the Law, the Prophets, the very Sufferings of Christ, by which we were all without exception created anew, who partake of the same Adam, and were led astray by the serpent and slain by sin, and are saved by the Heavenly Adam and brought back by the tree of shame to the tree of life from whence we had fallen.East: Bishop St. Ambrose the Great of Milan (Doctor) says in 383 
East: Patriarch St. John Chrysostom the Great of Constantinople (Doctor & Holy Hierarch) says in 391 
West: Bishop St. Pacian of Barcelona says in 392 
East: St. Symeon the New Theologian of Constantinople says [Homily 66 The Banishment and Repentance of Adam and Every Christian in PG 120], "We are all born sinners from our forefather Adam who sinned; we are all criminals from a criminal, slaves of sin from a slave of sin, subject to the curse and death from him who was subject to the curse and death."
WRH: The holy Hesychast taught that we inherit concupiscence from Adam.