Lauritzen Line of Authority

ORSON W. LAURITZEN was ordained a High Priest on 1 Sep 1946 by Harold B. Lee
HAROLD B. LEE was ordained an Apostle on 10 Apr 1941 by Heber J. Grant.
HEBER J. GRANT was ordained an Apostle on 16 Apr 1882 by George Q. Cannon
GEORGE Q. CANNON was ordained an Apostle on 26 Aug 1860 by Brigham Young
BRIGHAM YOUNG was ordained an Apostle on 14 Feb 1835 under the hands of the Three Witnesses, Oliver Cowdery, David Whitmer and Martin Harris
The THREE WITNESSES were called by revelation to choose the Twelve Apostles and on 14 Feb 1835 were "blessed by the laying on of hands of the Presidency", Joseph Smith, Jr., Sidney Rigdon and Frederick G. Williams to ordain the Twelve Apostles. (History of the Church, Vol. 2, pp. 187-188)
JOSEPH SMITH, Jr. and OLIVERCOWDERY received the Melchizedek Priesthood in 1829 under the hands of Peter, James and John.
PETER, JAMES AND JOHN were ordained Apostles by the Lord Jesus Christ. (John 15:16)