General Cullum, born in New York city, February 25th, 1809, died in New York city, February 28th, 1892, was graduated from the United States Military Academy in 1833, and brevetted a second lieutenant in the Engineer Corps. During the Mexican War he rendered valuable services as superintending engineer for devising and constructing sapper, miner and pontoon trains. In 1861 he was appointed chief engineer of the Department of the Missouri, with the rank of brigadier general of volunteers, and made chief of staff to General Halleck. The latter position he continued to hold after Halleck was made general in chief, and accompanied him in his Southwestern campaigns, and afterward to headquarters in Washington, D. C., until 1864, when he became superintendent of the United States Military Academy.- Frank Leslie, 1896