Answer: President Russell M. Nelson
President Nelson's work and research as a surgeon led him to create a machine that would act as a person's heart so doctors could perform open heart surgery. Much later, he would perform heart surgery on, then, Elder Spencer W. Kimball.
13. This person and his wife participated in a Face to Face event in Ghana. They also served a mission in Africa.
Additional hint: He was the 100th apostle to be called to the Church.