Who was responsible for leading the mormon exodus to the colony of new zion on the shore of the great salt lake?

After the people of Illinois became too hostile for the Mormons to stay there any longer (and also, after their church's founder, Joseph Smith, was killed as a result of that violence), Brigham Young took over as leader of the Mormons and led the group out of Illinois and to the present-day state of Utah, where they established a colony on the shores of the Great Salt Lake called New Zion.