John Longhurst
Longhurst, senior Tabernacle organist for The Church of Jesus Christ of Latter-day Saints, will accompany the Mormon Tabernacle Choir's Sunday morning broadcast and then retire after a 30-year career at Temple Square.
Longhurst wrote the music for one of the LDS Church's best-known hymns, "I Believe in Christ," and has been involved in Temple Square expansions and changes that included construction of the Conference Center and major renovations at the Tabernacle.
Ref. https://deseretnews.com/article/1,5143,695229943,00.html