John Daniel Leinbach Hartman (August 9, 1865 – July 29, 1953) was a United States Army officer in the late 19th and early 20th centuries. He served in several conflicts, including the Spanish–American War and World War I.
John Daniel Leinbach Hartman (August 9, 1865 – July 29, 1953) was a United States Army officer in the late 19th and early 20th centuries. He served in several conflicts, including the Spanish–American War and World War I. (en)