The Trolley Problem
the popular meme explained


  1. Barcalow, E. (2007). Moral Philosophy: Theories and Issues, Belmont: Wadsworth.
  2. Cathcart, T. (2013). The Trolley Problem, or Would You Throw the Fat Guy Off the Bridge?: A Philosophical Conundrum, New York: Workman Publishing.
  3. Edmonds, D. (2015). Would You Kill the Fat Man?: The Trolley Problem and What Your Answer Tells Us about Right and Wrong
  4. Foot, P. (1978). The Problem of Abortion and the Doctrine of the Double Effect in Virtues and Vices. In Virtues and Vices and Other Essays in Moral Philosophy, pp. 19-32. Oxford: Basil Blackwell.
  5. Kagan, S. (1991). The Limits of Morality, Oxford: Oxford University Press.
  6. Kamm, F.M. (1989). Harming Some to Save Others, Philosophical Studies, Number 57, pp.227-60.
  7. Kamm, F.M. (2016). The Trolley Problem Mysteries, Oxford: Oxford University Press.
  8. Sharp, F.C. (2009). A Study of the Influence of Custom on the Moral Judgment, Cornell University Library.
  9. Sharp, F.C. (1928). Ethics, New York: The Century Co.
  10. Thomson, J.J. (1976). Killing, Letting Die, and the Trolley Problem, The Monist, Number 59, pp. 204-17.
  11. Unger, P. (1996). Living High and Letting Die, Oxford: Oxford University Press.

Online Resources

  1. Author Unknown. Should You Kill the Fat Man? Philosophy Experiments.
  2. Cloud, J. (2011). 'Trolley Problem': Virtual-Reality Test for Moral Dilemma. –
  3. Feldman, B. (2016). The Trolley Problem Is the Internet's Most Philosophical Meme. New York Media.
  4. Foot, P. (1967). The Problem of Abortion and the Doctrine of the Double Effect in Virtues and Vices. Original publication in Oxford Review, Number 5. - PDF available here.
  5. Khazan, O. (2014). Is One of the Most Popular Psychology Experiments Worthless?. The Atlantic.
  6. Pegoda, A.J. (2017). The 'Trolley Problem' is Fundamentally Flawed.
  7. Raicu, I. (2016). Modern variations on the 'Trolley Problem' meme. Vox Media.
  8. Rennix, B. & Robinson, N.J. (2017). The Trolley Problem Will Tell You Nothing Useful About Morality. Current Affairs.
  9. Singer, P. (2005). Ethics and Intuitions The Journal of Ethics. - PDF available here.
  10. Thomson, J.J. (1985). The trolley problem. Published in The Yale Law Journal, Number 94, pp. 1395–1415. - PDF available here.
  11. Zhang, L. (2016). Behind the Absurd Popularity of Trolley Problem Memes.