Who was Thomas the Apostle?:
Thomas was one of Jesus twelve apostles and is included in each of the four apostolic lists. Thomas doesnt do much in the synoptic gospels but becomes important towards the end of John. Thomas is also called Didymus (the twin) each of the three times he appears in the Gospel According to John.
When did Thomas live?:
Nothing is known about the dates of Thomas' birth or death.
Where did Thomas live?:
Thomas probably lived in Galilee, the origin of most of the other apostles and probably most of Jesus disciples, since that is where his ministry was based.
What did Thomas do?:
Thomas the Apostle is most famous for how he is depicted in the Gospel According to John. He first appears as a symbol of strength, encouraging the others to follow Jesus to Judea where death awaits. Later he expresses doubts about following Jesus. Finally, after Jesus resurrection, he is the doubting Thomas who refused to believe that Jesus really returned until he saw the scars and placed his fingers in Jesus side.
Why was Thomas important?:
Thomas' importance first stems from his role as the doubter who required proof that Jesus had indeed risen from the dead. He is also famous because of the Gnostic apocryphal gospel named after him, the Gospel of Thomas.