William Miller and Joshua Himes both affiliated with the first faction, which continued to believe in the imminent return of Christ, the immortality of the soul, and Sunday worship.
Walsh began preaching in Wilbraham, Massachusetts where he taught the doctrine that the wicked would not be resurrected.
Walsh was then an associate editor of the Bible Examiner, an adventist periodical published in New York City and edited by George Storrs.
[1] Rejecting the "Age to Come" idea that there would be a chance for those who had never heard the gospel during their lifetime, Walsh did not believe that God would resurrect the unjust in order to condemn them to death.
Walsh's and Storrs' differences to the beliefs of the main body of Adventists resulted in their finally forming a separate denomination called the Life and Advent Union, on August 30, 1863.