Craig L. Foster earned a MA and MLIS at Brigham Young University. He is also an accredited genealogist and works as a research consultant at the Family History Library in Salt Lake City. He has published articles about different aspects of Latter-day Saint history. He is the author of two books, co-author of another and co-editor of a three-volume series discussing the history and theology of plural marriage. Foster is also on the editorial board of the John Whitmer Historical Association Journal.