Mormon leaders have acknowledged for the first time that the church’s founder and prophet, Joseph Smith, portrayed in church materials as a loyal partner to his loving spouse Emma, took as many as 40 wives, some already married and one only 14 years old.

The church’s disclosures, in a series of essays online, are part of an effort to be transparent about its history at a time when church members are increasingly encountering disturbing claims about the faith on the Internet. Many Mormons, especially those with (more)