Logan, John Alexander, 1826–86, American politician, Union general in the Civil War, b. Murphysboro, Ill. He fought in the Mexican War and practiced law in Illinois. A Democrat who supported Stephen A. Douglas, he served several terms in the state legislature and was elected to Congress in 1858 and 1860. At the first battle of Bull Run (July, 1861), Logan fought in the ranks. Afterward he organized the 31st Illinois Infantry, of which he was made colonel. He served at Fort Donelson (1862) and in the Vicksburg campaign (1862–63). Logan led a corps of the Army of the Tennessee in General Sherman's Atlanta campaign (1864) and commanded that army for a short time. However, Oliver O. Howard was given the permanent command, and Logan returned to his corps for the march through the Carolinas. A radical Republican Congressman (1867–71), he was one of the House managers of the impeachment trial of Andrew Johnson. From 1871 to 1877 and from 1880 until his death he was a U.S. Senator from Illinois. He was the Republican candidate for Vice President in 1884. A founder, and three times president, of the Grand Army of the Republic, Logan was a prominent supporter of legislation for veterans. He inaugurated Memorial Day in 1868. He wrote The Volunteer Soldier of America (1887).
See studies by J. P. Jones (1967) and by his wife, M. S. Logan (1913, abr. ed. 1970).
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