He was sustained to the Quorum of the Twelve Apostles at the age of forty-four, by President Heber J. Grant. On June 1, 1959, Mark E. Petersen dedicated Taiwan to the preaching of the gospel, reinvoking Elder McKay's 1921 dedication of the entire Chinese realm. To date, Elder Petersen is the only General Authority who has written a book on Isaiah, Isaiah for Today. His purpose was to help a nonscholarly LDS audience relate Isaiah's prophecies to present-day events.
