(from the http://www.bibleinfo.com/en/questions/who-were-twelve-disciples webpage)
Tradition says that Philip preached in Phrygia and died a martyr at Hierapolis. Philip came from Bethsaida, the town from which Peter and Andrew came (John 1:44). The likelihood is that he, too, was a fisherman. Although the first three Gospels record his name (Matthew 10:3; Mark 3:18; Luke 6:14; Acts 1:13), it is in the Gospel of John that Philip becomes a living personality.
Scholars disagree on Philip. In Acts 6:5, we have Philip as one of the seven ordained deacons. Some say this is a different Philip. Some believe this is the Apostle. If this is the same Philip, then his personality came more to life because he had a successful campaign in Samaria. He led the Ethiopian eunuch to Christ (Acts 8:26). He also stayed with Paul in Ceasarea (Acts 21:8) and was one of the major figures in the missionary enterprise of the early church.
The Gospel of John shows Philip as one of the first of many to whom Jesus addressed the words, "Follow Me." When Philip met Christ, he immediately found Nathanael and told him that "we have found him, of whom Moses … and the prophets, did write." Nathanael was skeptical. But Philip did not argue with him; he simply answered, "Come and see." This story tells us two important things about Philip. First, it shows his right approach to the skeptic and his simple faith in Christ. Second, it shows that he had a missionary instinct.
Philip was a man with a warm heart and a pessimistic head. He was one who would very much like to do something for others, but who did not see how it could be done. Yet, this simple Galilean gave all he had. In return God used him. It is said that he died by hanging. While he was dying, he requested that his body be wrapped not in linen but in papyrus for he was not worthy that even his dead body should be treated as the body of Jesus had been treated. The symbol of Philip is a basket, because of his part in feeding of the five thousand. It is he that stressed the cross as a sign of Christianity and victory.