John Milton Brannan
Union army general
Died when: 73 years 168 days (881 months)Star Sign: Cancer

John Milton Brannan (July 1, 1819 – December 16, 1892) was a career United States Army artillery officer who served in the Mexican–American War and as a Union brigadier general of volunteers in the American Civil War, in command of the Department of Key West in Florida and assigned to Fort Zachary Taylor.
Most notably, he served as a division commander of the Union XIV Corps at the Battle of Chickamauga.Brannan was scandalized by the highly publicized disappearance of his first wife, Eliza Crane Brannan, daughter of Colonel Ichabod Bennet Crane, in 1858; she mysteriously disappeared after taking a ferry from Staten Island to Lower Manhattan and was initially presumed to have committed suicide or been murdered, but it was later discovered that she had secretly fled to Europe and married another United States Army artillery officer, First Lieutenant Powell Wyman.