KNOWLTON, Miner, soldier, born in Connecticut in 1804; died in Burlington, New Jersey, 25 December, 1870. He was graduated at the United States military academy in 1829, and commissioned a lieutenant in the 1st artillery, to which regiment he was attached till he was retired, rising to the grade of captain in 1846. In 1830-'7 he served as assistant professor of mathematics at the military academy, in 1833-'7 as assistant teacher of French, and in 1837-'44 as instructor of artillery and cavalry. As a member of the artillery board he aided in the compilation of the "Instructions for Field Artillery" that were adopted, 6 March, 1845, for the service of the United States. With a view of studying foreign military science, he went to Algeria in 1845, and served on the staff of Marshal Bugeaud. He was at Corpus Christi during the military occupation of Texas, and in the war with Mexico in mustering volunteers into service on the Rio Grande, and in the recruiting service and on engineer duty. He was on leave of absence from September, 1849, till 1861, when he was retired from active service for disability resulting from disease and exposure in the line of duty. Captain Knowlton was the author of "Notes on Gunpowder, Cannon, and Projectiles" (1840); and the compiler of "Instructions and Regulations for the Militia and Volunteers of the United States" (1861).