Like in the old testament times God called a prophet from the beggining like Moses,Aaron,Abraham,Noah. Joseph Smith also was a prophet of God like them.He restored the church of Jesus Christ here on earth. In New testament times Jesus Christ organized His church. Because of apostasy in ancient times the church of Jesus Christ was lost. So prophet Joseph Smith called to restore His church in these last days.To known on this earth that it is the church of Jesus Christ in a new testament times so it was called the church of Jesus Christ of Latter Day Saints so that it will known that it is His true church.Jesus Christ was the head of His own church,like in a new testament times He called prophets and apostles.For more information about this you can log on to our website www.come unto Christ.org This is sis.Belmonte from the Philippines.