Jenny Teichman is a Fellow of New Hall, Cambridge. She is the author of "The Mind and the Soul" (1974), "Illegitimacy" (1982), "Pacifism and the Just War" (1986), "Philosophy and the Mind" (1988), and "Social Ethics: A Student's Guide" (Blackwell, 1996). Katherine Evans, a graduate of Cambridge, is an attorney for an international telecommunications company and writes logical aptitude tests for law students.