Thomas L. Kane (1822-1883), a crusader for antislavery, women's rights, and the downtrodden, rose to prominence in his day as the most ardent and persuasive defender of Mormons' religious liberty. Though not a Mormon, Kane sought to defend the much-reviled group from the "Holy War" waged against them by evangelical America. His courageous personal intervention averted a potentially catastrophic bloody conflict between federal troops and Mormon settlers in the now nearly forgotten Utah War of 1857-58.

Drawing on extensive, newly available archives, this book is the first to tell the...