Kreuz, Roger: - Roger Kreuz is an associate dean and Professor of Psychology at the University of Memphis, USA. He has written several books on language and communication for general audiences and writes a monthly column for Psychology Today. This book was born out of an academic interest in how language use affects a person's identity and the shifting public attitudes regarding the concepts of plagiarism and appropriation, as well as over thirty years as a professor who has had first-hand experience with student plagiarism.