James Lord Pierpont Hollis Street Unitarian Church in Boston, an abolitionist and a poet. Robert Fulghum confused James with his father in the book "It Was On Fire When I Lay Down On It" (1989); erroneously attributing the authorship of "Jingle Bells" to the Rev. John Pierpont. James' mother was Mary Sheldon Lord, the daughter of Lynde Lord, Jr. (1762–1813), and Mary Lyman. James was the uncle of the financier and banker John Pierpont Morgan. John and Mary Pierpont had six children. In 1832, James was sent to a boarding school in New Hampshire. He wrote a letter to his mother about riding
James Pierpont (mathematician) New Haven and was appointed as a lecturer at Yale University, where he spent most of his career. In 1898, he became professor. Initially, his research dealt with Galois theory of equations. The Pierpont primes are named after Pierpont, who introduced them in 1895 in connection with a problem of constructing regular polygons with the use of conic sections. After 1900, he worked in real and complex analysis. In his textbooks of real analysis, he introduced a definition of the integral analogous to Lebesgue integration. His definition was later criticized by Maurice Fréchet. Finally, in the 1920s, his interest turned