New Testament that Luke the Evangelist, an associate of St. Paul who was probably not an eyewitness to Jesus' ministry, wrote the Gospel of Luke and Acts of the Apostles. Scholars are also divided on the traditional claim that Mark the Evangelist, an associate of St. Peter who may have been an eyewitness to Jesus' ministry, wrote the Gospel of Mark. Scholars are more divided over the traditional claim that Matthew the Apostle wrote the Gospel of Matthew and that John the Apostle wrote the Gospel of John. Opinion, however, is widely divided on this issue and there is no widespread consensus.
New Testament term διαθήκη "diathḗkē" varies in Bible translations into English. John Wycliffe's 1395 version is a translation of the Latin Vulgate and so follows different terms in Jeremiah and Hebrews: Use of the term "New Testament" to describe a collection of first and second-century Christian Greek Scriptures can be traced back to Tertullian (in "Against Praxeas" 15). In "Against Marcion", written "circa" 208 AD, he writes of the Divine Word, who is doubly edged with the two testaments of the law and the gospel. And Tertullian continues later in the book, writing: it is certain that the whole aim at which