Nathan Carlin, an ordained minister in the Presbyterian Church (USA), is Associate Professor at the University of Texas Medical School in Houston, TX, and Book Review Editor for Pastoral Psychology. His primary academic appointment is in the McGovern Center for Humanities and Ethics. He has coauthored two books: Living in Limbo: Life in the Midst of Uncertainty (2010) and 100 Years of Happiness: Insights and Findings from the Experts (2012).