Alvan Cullem Gillem
Alvan Cullem Gillem was a general in the Union Army during the American Civil War. Although Southernborn, he remained loyal to the Federal government and fought in several battles in the Western Theater before commanding occupation troops in Mississippi and Arkansas during Reconstruction. He later played a prominent role in the Modoc War in 1873.
Gillem was born in Gainesboro in Jackson County, Tennessee, the son of Samuel Gillem. In 1851, he graduated 11th in his class from the United States Military Academy and was assigned as a second lieutenant to the artillery. He was soon sent to the front lines in Florida to serve in a battery during the Second Seminole War until 1852. He was then reassigned to the Texas frontier following the war.
Source: Wikipedia