Benjamin Peirce (4 April 1809 – 6 October 1880) was an American mathematician who taught at Harvard University for forty years. He made contributions to celestial mechanics, number theory, algebra, and the philosophy of mathematics. He was the father of Charles Sanders Peirce.

Benjamin Peirce — On Euler's identity, as quoted in notes by W. E. Byerly, published in Benjamin Peirce, 1809-1880: Biographical Sketch and Bibliography (1925) by R. C. Archibald; also in Mathematics and the Imagination (1940) by Edward Kasner and James Newman

Benjamin Peirce — On Euler's identity, as quoted in notes by W. E. Byerly, published in Benjamin Peirce, 1809-1880 : Biographical Sketch and Bibliography (1925) by R. C. Archibald; also in Mathematics and the Imagination (1940) by Edward Kasner and James Newman