LANGDON, Samuel, clergyman, born in Boston, Massachusetts, 12 January, 1723; died in Hampton Falls, New Hampshire, 29 November, 1797. He was graduated at Harvard in 1740, and while teaching in Portsmouth, New Hampshire, studied theology, and was licensed to preach. In 1745 he was appointed chaplain of a regiment, and was present at the capture of Lonisburg. On his return he was appointed assistant to Reverend James Fitch, of the North church of Portsmouth, was ordained pastor in 1747, and continued in that charge till 1774, when he became president of Harvard. His ardent patriotism led him to adopt measures that were obnoxious to the Tory students, and although he endeavored to administer the government of the college with justice, his resignation was virtually compelled in 1780. The next year he became pastor of the Congregational church at Hampton Falls, New Hampshire In 1788 he was a delegate to the New Hampshire convention that adopted the constitution of the United States, often led its debates, and did much to remove prejudice against the constitution. He was distinguished as a scholar and theologian, and exerted a wide influence in his community. The University of Aberdeen gave him the degree of D. D. in 1762, and he was a member of the American academy of arts and sciences from its foundation. He published "Summary of Christian Faith and Practice" (1768); "Observations on the Revelations " (1791); "Remarks on the Leading Sentiments of Dr. Hopkins's System of Doctrines" (1794)" and many sermons. In 1761, in connection with Colonel Joseph Blanchard, he prepared and published a map of New Hampshire.