
Alfred North Whitehead, OM (15 February 1861 – 30 December 1947) was an English-born mathematician and a philosopher. He was born in Ramsgate, Kent, United Kingdom, and died in Cambridge, Massachusetts, USA. Whitehead wrote on algebra, logic, foundations of mathematics, philosophy of science, physics, and metaphysics. He is the co-author, with Bertrand Russell, of the classic text Principia Mathematica.