Civil War Union Army Brigadier General. He graduated with honors from the United States Military Academy at West Point, New York in 1831 and was commissioned as a 2nd Lieutenant with the 1st United States Artillery. He then became an assistant professor and drill instructor at the academy. He moved to Georgetown, Ohio and became Captain of a company of militia. He resigned in 1837 to teach college mathematics courses in Kentucky and Indiana, and was appointed as Chairman of Mathematics at Indiana University. In 1855, he moved to Ripley, Ohio to work as a civil engineer. When the Civil War began, he rejoined the Federal Army and was commissioned as Captain of the 12th Ohio Volunteer Infantry. He was promoted to Colonel and transferred to the 24th Ohio Volunteer Infantry. He led his troops into the field and confronted Confederate forces under General Robert E. Lee at the Battle of Cheat Mountain in September, 1861. He was then assigned to the Western Theater and led a brigade in the Army of the Ohio at the Battle of Shiloh and the Siege of Corinth. He was promoted to the rank of Brigadier General, US Volunteers and briefly assumed command of Major General William "Bull" Nelson's Division. He performed administrative duty for nearly a year due to deteriorating health before accepting an assignment to command Fort Douglas in Illinois and other federal garrisons. Ammen returned to a field command and led the 4th Division of the XXIII Corps. He was responsible for blocking the Virginia & Tennessee Railroad at Bull's Gap, Tennessee during Brigadier General Stephen Burbridge's raid in September of 1864. His resigned on January 14, 1865, returned to Ohio, and became a surveyor and civil engineer in Hamilton County. He was later involved with several large engineering projects which included determining possible routes for the Panama Canal. His brother, Daniel Ammen, was a Rear Admiral in the United States Navy and was also one of his students at West Point.
Civil War Union Army Brigadier General. He graduated with honors from the United States Military Academy at West Point, New York in 1831 and was commissioned as a 2nd Lieutenant with the 1st United States Artillery. He then became an assistant professor and drill instructor at the academy. He moved to Georgetown, Ohio and became Captain of a company of militia. He resigned in 1837 to teach college mathematics courses in Kentucky and Indiana, and was appointed as Chairman of Mathematics at Indiana University. In 1855, he moved to Ripley, Ohio to work as a civil engineer. When the Civil War began, he rejoined the Federal Army and was commissioned as Captain of the 12th Ohio Volunteer Infantry. He was promoted to Colonel and transferred to the 24th Ohio Volunteer Infantry. He led his troops into the field and confronted Confederate forces under General Robert E. Lee at the Battle of Cheat Mountain in September, 1861. He was then assigned to the Western Theater and led a brigade in the Army of the Ohio at the Battle of Shiloh and the Siege of Corinth. He was promoted to the rank of Brigadier General, US Volunteers and briefly assumed command of Major General William "Bull" Nelson's Division. He performed administrative duty for nearly a year due to deteriorating health before accepting an assignment to command Fort Douglas in Illinois and other federal garrisons. Ammen returned to a field command and led the 4th Division of the XXIII Corps. He was responsible for blocking the Virginia & Tennessee Railroad at Bull's Gap, Tennessee during Brigadier General Stephen Burbridge's raid in September of 1864. His resigned on January 14, 1865, returned to Ohio, and became a surveyor and civil engineer in Hamilton County. He was later involved with several large engineering projects which included determining possible routes for the Panama Canal. His brother, Daniel Ammen, was a Rear Admiral in the United States Navy and was also one of his students at West Point.
Bio by: K Guy
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