2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/199422An account is given of the close collaboration of Dick Dalitz with the European K- Collaboration over many decades in many aspects of hypernuclear physics. In particular, emphasis is given to the topics of double hypernuclei and the discovery and resolution of p-wave Lambda strangeness exchange states.Invited talk at HYP06, Mainz, October 2006History and Philosophy of Physicstext