President Samuel O. Bennion, Independence [Missouri].
Your question concerning Adam has not been answered before because of a pressure of important business. We now respond briefly, but, we hope, plainly. You speak of 'the assertion made by Brigham Young that Jesus was begotten of the Father in the Flesh by our father Adam, and that Adam is the father of Jesus Christ and not the Holy Ghost,' and you say the Elders are challenged by certain critics to prove this.
If you will carefully examine the sermon to which you refer, in the Journal of Discourses, Vol[ume]. 1, you will discover that, while President Young denied that Jesus was 'begotten by the Holy Ghost,' he did not affirm, in so many words, that 'Adam is the father of Jesus Christ in the flesh.' He said, 'Jesus, our elder brother, was begotten in the flesh by the same character that was in the garden of Eden and who is our Father in Heaven.' ....
(Signed) Joseph F. Smith
Anthon H. Lund
Charles W. Penrose.
[Source: Journal History, as quoted in Minutes of the Apostles of The Church of Jesus Christ of Latter-day Saints, 1910-1951, Privately Published, Salt Lake City, Utah 2010]