When he became president of the LDS Church, he was the oldest person to hold that office until Gordon B. Hinckley reached Smith's equivalent age in June 2006 (Hinckley continued as president for another 19 months).
He was the oldest person. To hold that office until Gordon B. Hinckley reached Smith's equivalent age in June 2006 (Hinckley continued as president for another 19 months) the oldest person. He became president of the LDS Church.