James Kendall Hosmer (January 29, 1834 – May 11, 1927) was an American (Union) soldier during the American Civil War, a pastor, library director, historian, author and a professor of history and literature. Members of the Hosmer family fought in the French and Indian War, American Revolution and the Civil War. As a pastor of the First Church in Deerfield, Massachusetts he left the ministry, feeling duty bound to join the U.S. Army to serve in the Civil War, insisting to serve at the front, where he participated in several major campaigns. As an author and historian he later wrote and published several works about and involving the Civil War and how he viewed the cause of both the North and South. He also authored a number of other works relating to early American history, along with severa