Meditatie van week tot week 52 oefeningen voor innerlijke rust en een beter bewustzijn

David G. J. Fontana FBPsS (1 November 1934 – 18 October 2010) was a British psychologist, parapsychologist and author. He was a Professor of Psychology at Cardiff University. He was also a visiting professor at Liverpool John Moores University and the University of Algarve.