The first line of that book contains the Greek word logos, and is often translated "In the beginning was the Word."
The 2nd-century saint Irenaeus tells of how this man flees from a public bath house upon the arrival of Cerinthus. This man addressed one work to Kyria, usually translated as "the elect lady," and her children; his namesake "Comma" is a Trinitarian phrase which first appeared in Bibles of the eighth century CE. His longest book features the Pharisee Nicodemus. Other scenes specific to that book by him include the marriage at Cana, in which the changing of water to wine occurs, and the raising of Lazarus from the dead.  The first line of that book contains the Greek word logos, and is often translated "In the beginning was the Word." For 10 points, name this author sometimes conflated with a namesake who wrote the Book of Revelation on Patmos, and wrote the non-synoptic fourth Gospel.
The 2nd-century saint Irenaeus tells of how this man flees from a public bath house upon the arrival of Cerinthus.
Saint John the Evangelist [or John the Apostle; or Johannes or Ioannes; do not accept "John the Baptist" or "John of Patmos"]