FTP name this French poet, who introduced the love affair of Lancelot and Guinevere in The Knight of the Cart, the writer par excellence of Arthurian romances.
His early work consisted of translations from Ovid's Metamorphoses and The Art of Love, while two shorter pieces suggest that he also may have introduced the style of Southern courtly lyric poetry to Northern France, where his patrons included Marie of Champagne and Count Philip of Flanders.  Of his longer works, Cliges is an allegory on Byzantine politics, while Erec and Enide develops the relationship between love and glory also found in The Knight with the Lion.  FTP name this French poet, who introduced the love affair of Lancelot and Guinevere in The Knight of the Cart, the writer par excellence of Arthurian romances.
His early work consisted of translations from Ovid's Metamorphoses and The Art of Love, while two shorter pieces suggest that he also may have introduced the style of Southern courtly lyric poetry to Northern France, where his patrons included Marie of Champagne and Count Philip of Flanders.  
Chretien de Troyes (accept either name)