The First Presidency of The Church of Jesus Christ of Latter-day Saints announced the appointment of three new general authorities Wednesday.

They will begin their duties Jan. 1, one as a member of the First Quorum of the Seventy, and two as members of the Second Quorum of the Seventy. They are:- Earl C. Tingey, 56, of Bountiful, who was called to the First Quorum of the Seventy.

- Rulon G. Craven, 66, of Centerville, Second Quorum of the Seventy.

- W. Mack Lawrence, 64, of Holladay, Second Quorum of the Seventy.

Members of the Quorums of the Seventy are charged with administering the affairs of the worldwide church under the direction of the First Presidency and the Council of the Twelve. With church membership now exceeding 7.5 million in more than 125 nations and territories, the Seventy serve as executive directors of departments at church headquarters. They also serve as members of area presidencies responsible for church administration in 20 geographical areas worldwide.

Elder Tingey is associate general legal counsel for Kennecott Corp. He has served as a corporation attorney for more than 25 years, principally in New York City before returning to his native Utah some 11 years ago.

He was born June 11, 1934, in Bountiful, and graduated from the University of Utah Law School with a juris doctorate. He later received a master of corporate law degree from New York University. He served three years with the Judge Advocate General Corps of the U.S. Army, attaining the rank of captain.

Elder Tingey married Joanne Wells of Logandale, Nev., and Provo. They are parents of four children and have eight grandchildren.

Active in community affairs, Elder Tingey served three years as president of the Great Salt Lake Council, Boy Scouts of America, 1981-84; member of the U. Alumni Board; president of the U.'s New York alumni chapter; and member of the National Advisory Board of the Utah Symphony.

Since 1988, Elder Tingey has served as a counselor to the president of the church's Utah Ogden Mission, and he previously served four years as counselor of the Utah North Mission, with headquarters in Salt Lake City. He was president of the Australia East Mission (now the Australia Sydney Mission), 1973-76; regional representative for seven years; bishop of the Manhattan, N.Y., Ward; and counselor to the president of the Eastern States Mission.

Elder Craven has served the past 13 1/2 years as secretary of the Council of the Twelve. Previously, he was administrative assistant for business at Brigham Young University and for three years, 1974-77, was director of the Aaronic Priesthood for the church.

He was born Nov. 11, 1924, in Murray and received a bachelor's degree from Brigham Young University. He and his wife, the former Donna Lunt, have six children and 14 grandchildren.

In a lifetime of church service, he has been president of the New Zealand North Mission (now the New Zealand Auckland Mission), 1967-70; regional representative; member of the Sunday School General Board; bishop and member of a stake presidency in Provo; and leader and teacher in church auxiliary organizations.

Elder Craven is also the author of four books on missionary work, leadership and gospel topics. He served as a member of the national training committee of the Boy Scouts of America, national chairman of the Personnel Training Association of College and University Housing Officers, and as president of the Utah chapter of Training and Development.

Elder Lawrence will mark the conclusion of more than 39 years service with US WEST Communications when he retires, effective Dec. 31, as Utah vice president and chief executive officer.

He was born in Salt Lake City on Oct. 28, 1926, and is a graduate of the U., where he received a degree in business in 1950. He and his wife, the former Jacqueline Young, a native of Los Angeles, have two daughters, one son and 10 grandchildren.

In addition to a distinguished business career, Elder Lawrence has been involved in many community activities. He was chairman of the building fund campaign for the new Primary Children's Medical Center adjacent to the U.'s Health Science Center. He continues his long service as a member of the board of directors of the Utah Symphony, and was chairman of the Salt Lake Area Chamber of Commerce and a member of the executive committee of the Utah Foundation.

Elder Lawrence now serves as a member of the stake high council of the Salt Lake Mount Olympus Stake. He previously was a regional representative from 1982 until 1988, counselor in the Mount Olympus Stake Presidency, and bishop of the Holladay 16th Ward.