The Acts of the Apostles, otherwise known as the Acts of the Holy Spirit. (Greek, Práxeis Apostólōn).This is the second letter, written by Luke, a Christian Physician and companion of the Apostle Paul on his missionary journeys.Luke was also the author of the Gospel of Luke.The Gospel of Luke and The Acts of the Apostles were written to a person named Theophilus, an unknown character.Most scholars date the composition of the combined work to around 80-90 AD, although some others suggest 90-110 AD. The letter is an account of the Acts of the Apostles of Jesus Christ. It records events from the birth of the church at Pentecost and ends quite abruptly with the Apostle Paul in prison in Rome.