According to tradition, the author, Mark is not an apostle himself. Not one of the original disciples, but rather the follower of one of them. ... It owes its history to Mark, whether Mark is the person who actually wrote it down or not.

Who was the disciple Mark in the Bible?

Mark the Evangelist (Acts 12:12; 15:37), an associate of St. Paul and a disciple of St. Peter, whose teachings the Gospel may reflect. It is the shortest and the earliest of the four Gospels, presumably written during the decade preceding the destruction of Jerusalem in 70 ce.

Are Matthew and Mark disciples?

Matthew – a former tax collector (Levi) who was called by Jesus to be one of the Twelve Apostles, Mark – a follower of Peter and so an "apostolic man," Luke – a doctor who wrote what is now the book of Luke to Theophilus.