Jurg Willi

Jürg Willi was a Swiss psychiatrist, psychotherapist, and author known for his work on couple therapy and the 'co-evolution' model of relationships. He wrote influential books such as 'The Couple's Therapy' and 'The Psychology of Love,' which have shaped modern understanding of romantic partnerships.

Zurich, Switzerland Nov 24, 1944 Wikipedia
Psychology Self-help Relationships