Gregg and I discuss 'the problem of psychology' and his Tree of Knowledge System  Dr. Gregg Henriques is Professor of Graduate Psychology at James Madison University. He received his Ph.D. in Clinical Psychology from the University of Vermont and did his post-doctoral training at the University of Pennsylvania. His scholarly work has been published in the field’s best journals and he authored the book, A New Unified Theory of Psychology. He has also developed a popular blog on Psychology Today, Theory of Knowledge, where he has authored over 375 essays on psychology, philosophy, politics, and mental health.   https://www.gregghenriques.com/ https://www.unifiedtheoryofknowledge.org/