Russell M. Nelson serves as an apostle of the Quorum of the Twelve for the Church of Jesus Christ of Latter-day Saints. But before he was called as an apostle, he was a world-renowned heart surgeon and member of the team that created the first machine to perform the functions of a patient’s heart and lungs during open-heart surgery (“Russell M. Nelson”). In this biography of Russell M. Nelson, read about his early years and the miracles he saw in his career as a heart surgeon.