qualification easier. Only Mark, Luke, Acts, and Hebrews were questioned in the area of authorship. John Mark, who wrote the second Gospel, was the spiritual son and disciple of Peter, so he had Peter’s stamp of approval and apostleship on his book. Luke wrote the third Gospel, as well as Acts. Luke sought out the eyewitness accounts of the other apostles in composing his Gospel account (see Luke 1:2–3). Luke was also a very close associate of Paul on his missionary journeys, so he knew many details