A) Joseph Smith and Joseph F. Smith
B) Thomas Monson and Gordon B. Hinckley
C) Joseph Smith and Brigham Young
D) Brigham Young and Lorenzo Snow
(A) The Assembly Hall and the Solemn Assembly Room in the Salt Lake Temple
On April 5, 1942, the First Presidency closed the Tabernacle for the duration of the war. During that time conference sessions were held in the Assembly Hall on Temple Square and in the solemn assembly room on the fifth floor of the Salt lake Temple.
Sheri L. Dew, Go Forward With Faith (Salt Lake City: Deseret Book Company, 1996), 126.