Whitehead
(1861-1947) was educated at Sherbone School and Trinity College,
Cambridge. He was fellow (1884), assistant lecturer (1885) and senior
mathematical lecturer at Trinity College (1884-1910), where he wrote
the celebrated Principia Mathematica with his former pupil Bertrand
Russell . He was then lecturer in applied
mathematics and mechanics and, later, reader in geometry at
University College, London (1911-14), professor of applied
mathematics at the Imperial College of Science (1914-24) and
professor of philosophy at Harvard (1924-37).