Historian John Turner’s new biography of Joseph Smith portrays the Prophet as charismatic, flawed, and relentlessly dynamic. His conclusions often differ from those in Richard Bushman’s Rough Stone Rolling, offering a new perspective. Turner approaches Joseph’s spiritual claims with scholarly caution, adopting different stances based on his interpretation of the evidence. He writes there is “little reason to doubt” that Joseph saw the Lord in the First Vision, yet personally concludes that the gold plates weren’t real. In this interview, Turner reflects on Smith’s life—from the Prophet’s unifying vision of Zion to the divisive impact of polygamy.