Thomas Leonidas Crittenden

Thomas Leonidas Crittenden (May 15, 1819 – October 23, 1893) was a lawyer, politician, and Union general during the American Civil War.
When the Civil War began in 1861, Kentucky was a state that declared its neutrality and was at risk of supporting the Confederacy. Crittenden and his father remained loyal to the Union, but his brother joined the Confederate Army, a common occurrence in the border states.
He led the corps through the Tullahoma Campaign and at the Battle of Chickamauga. Crittenden and fellow corps commander Alexander McDowell McCook were blamed for the defeat and relieved of command, but both were later exonerated and acquitted of any charges.
General Crittenden was chosen to take command of the division.[1] He assumed command of 1st Div, IX Corps on May 12 and led it during the final days of Spotsylvania and through the Battle of Cold Harbor, before resigning on December 13, 1864.
https://en.wikipedia.org/wiki/Thomas_Leonidas_Crittenden