Bruce R. McConkie
The Millennial Messiah: The Second Coming of the Son of Man, p.647
Enoch and his city were all translated and taken up into heaven without tasting death. So also were Moses and Elijah and Alma and many others of whom we have no record. Indeed the whole focus of life among the worthy saints from the day of Enoch to the day of Abraham was so to live that they would be caught up and receive an inheritance in that city whose builder and maker was God. All these were with Christ in his resurrection; that is, they received their resurrected and immortal bodies at that time. John the Revelator and the Three Nephites and others whose identity is unknown have been translated since the day of Christ. They are all carrying on their ministries of preaching and prophesying and will do so until the Second Coming, when they will receive their resurrected and immortal bodies. The Lord, for instance, promised John: "Thou shalt tarry until I come in my glory, and shalt prophesy before nations, kindreds, tongues and people." This ministry is among mortals on earth, but John has great powers that mortals do not possess. "I will make him as flaming fire and a ministering angel," the Lord promised, and "he shall minister for those who shall be heirs of salvation who dwell on the earth." (D&C 7:3-6.)