This is the first biography of Dale L. Morgan, preeminent historian of the Latter Day Saints, the fur trade, and the trails of the American West. The book explores how, despite personal struggles, Morgan remained committed to interpreting the past on the strength of documentary evidence, leaving a legacy to inspire contemporary historians. Connecting Morgan’s life with some of the broad cultural changes that shaped his experiences, this book engages with the methodological shifts that coincided with his career: the mid-twentieth-century collision of interpretations within Latter Day Saint...