NELSON, Samuel Kelsey, clergyman, born near Jonesborough, Washington County, Tennessee, 9 Oct:., 1787 ; died in Tallahassee, Florida, 7 May. 1827. He was graduated at Washington college in 1803, afterward went to Kentucky, taught for a short time, and then studied law, which he abandoned for theology, and was licensed in the Presbyterian church in 1807. In 1809 he became pastor of the Danville, Kentucky, church. He was one of the principal founders of Centre college, Danville, and of the Kentucky asylum for the deaf and dumb at that place. -David, clergyman, born near Jones-borough, Tennessee, 24 September, 1793; died in Oakland, Illinois, 17 October, 1844. He was educated at Washington college, Virginia, and studied medicine at Danville, Kentucky, and Philadelphia, where he was graduated. He went to Canada with a Kentucky regiment as surgeon in the war of 1812, subsequently accompanied the army of General Andrew Jackson to Alabama and Florida, and after the establishment of peace settled in practice in Jonesborough. He had early in life made a profession of religion, but had relapsed into infidelity. Becoming convinced anew of the truth of Christianity, he left a lucrative professional career to enter the Presbyterian ministry, and wax licensed in April, 1825. He preached for nearly three years in Tennessee, and at the same time was connected with the "Calvinistic Magazine" at Rogersville. In 1828 he succeeded his brother Samuel as pastor of the Presbyterian church in Danville, Kentucky, and in 1830 he removed to Missouri and established Nation college, twelve miles from Palmyra, of which he became president. In 1836, in consequence of the slavery question, Dr. Nelson, who was an ardent advocate of emancipation, removed to the neighborhood of Quincy, Illinois, and established an institute for the education of young men. In addition to articles for the religious press, he published " Cause and Cure of Infidelity" (New York, 1836), which has been republished in London and elsewhere.