Philippa Ruth Foot Born Philippa Ruth Bosanquet (1920-10-03)3 October 1920 Owston Ferry, Lincolnshire Died 3 October 2010(2010-10-03) (aged 90) Oxford, England Alma mater Somerville College, Oxford Era 20th-century philosophy Region Western philosophy School Analytic philosophy Aretaic turn Main interests Ethics, Philosophy of mind Notable ideas Trolley problem, Virtue ethics Influences Ludwig Wittgenstein, G. E. M. Anscombe, Aristotle, Thomas Aquinas, Thomas Nagel Influenced Bernard Williams, Candace Vogler, Michael Slote, John McDowell, Rosalind Hursthouse, Judith Jarvis Thomson