J. Thomas Fyans

Fyans became the president of the St. George Utah Temple in 1992. He died at his home in Salt Lake City.

For part of 1978, Fyans worked as the Executive Director of the Genealogy Department of the church.

In 1974, Fyans became an Assistant to the Quorum of the Twelve Apostles. He held this position until 1976, when the position of Assistant to the Twelve was discontinued. At this time, Fyans remained a general authority and was transferred to the First Quorum of the Seventy. He served in the latter position until 1989, when he was given general authority emeritus status. From 1976 to 1985, he was a member of the Presidency of the Seventy; from 1983 to 1985, he was the senior member of the presidency.

Fyans was a director and eventually president of the Memorial Estates Security Corporation (MESC) in the 1960s. Along with Bruce R. McConkie and several others, the company was formed to construct memorial parks for deceased "loved ones". The company went bankrupt, and was sued by investors for failing to register with the U.S. Securities and Exchange Commission as an investment company, misrepresenting LDS Church endorsement, and failing to inform investors of insolvency. On April 25, 1969 MESC settled with investors three days prior to the beginning of a jury trial.

Prior to his call as a general authority, Fyans worked as director of distribution and translation for the LDS Church. This is the position he held in 1967. He then served as an administrator with the office of the church's presiding bishop and in March 1972 became the managing director of the church's internal communications department.

Fyans served as president of the Uruguayan Mission of the church from 1960 to 1964. As the president of this mission, Fyans also oversaw missionary work in Paraguay. While mission president Fyans oversaw a shift from most branches in Uruguay and Paraguay being led by full-time missionaries to having local men lead them.

Born in Moreland, Idaho, Fyans was the son of Joseph Fyans and Mae Farnsworth. From 1940 to 1943, Fyans served as a missionary in the Spanish American Mission of the LDS Church, which had jurisdiction over missionary work among the Spanish-speaking population of the southwestern United States. After his returned from his mission he married Helen Cook, and they eventually became the parents of five children.

John Thomas Fyans (May 17, 1918 – May 18, 2008) was a general authority of the Church of Jesus Christ of Latter-day Saints (LDS Church) from 1974 until his death.