Mormonism teaches that it is essential for a person to come to earth and obtain a body in order to be exalted.
They claim that both God the Father and Jesus Christ had to do this, but the Holy Ghost, the third member of the Godhead, did not.

Mormonism teaches that it is essential for a person to come to earth and obtain a body in order to be exalted.
They claim that both God the Father and Jesus Christ had to do this, but the Holy Ghost, the third member of the Godhead, did not.