Larry M. Leitner, Professor Emeritus, Miami University, retired to his wife’s farm in Iowa in 2014. During his 35-year career at Miami, he published four books, over 100 book chapters, journal articles, and reviews, and produced over 40 Ph.D.s.
Peter Cummins is a retired clinical psychologist who qualified as a PCP psychotherapist in 1988, at the Centre for Personal Construct Psychology. He retired from the British NHS in 2010 after 34 years clinical practice and has continued to supervise and teach PCP. He has been involved with Personal Construct Psychology since training, from 1974-1976, at the Crichton Royal Hospital in Dumfries, Scotland, where his head of department was Miller Mair. His main therapeutic focus has been on working with anger and working with couples. He has written chapters on a range of subjects within PCP, co-written the Coventry Foundation Guide to PCP, (Cummins and Moran 2022) and A beginners guide to Personal Construct Therapy with adults and couples (Allen and Cummins 2021), edited Working with Anger (2006) and coedited: European Perspectives in PCP (1992), (with Alan Thomson), Personal Construct Psychology at 60: Papers from the 21st. International Congress (2017), (Eds) Winter D, Cummins P, Procter H & Reed N., and Experiential Personal Construct Psychology, collected papers (2019) (Eds.) Cummins P. and Leitner L.