© 2016 John Wiley & Sons, Ltd. Published 2016 by John Wiley & Sons, Ltd. The Trolley Problem has baffled ethicists for decades (Foot 1978; Thomson 1985; Fischer and Ravizza 1992) and has, more recently, become a focal point for research in moral psychology (Petrinovich, O’Neill, and Jorgensen 1993; Greene et al. 2001; Edmonds 2013; Greene 2015). As the Trolley Problem’s interdisciplinary histor...