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Karl Pottharst dreamt of collaborating with John Bowlby in the application of attachment theory to clinical work and research with all age groups, from ‘the cradle to grave’. It is remarkable that he not only realized his dream, but took his students along this wonderful journey all the way to the Tavistock Clinic and the streets of London.
Karl Pottharst was one of the members of the founding faculty at the California School of Professional Psychology, Los Angeles (CSPP), which was designed to train in the clinician-scientist model. The tradition of research at CSPP was to advocate on behalf of underserved high-risk people. This research effort was committed to explicit humane values and goals for positive social change. Bowlby's constructs were helpful in understanding the plight of those often misunderstood by traditional theories and neglected by clinicians and policymakers. Karl and his students reached out to John Bowlby. They invited Bowlby to consult with the prolific attachment focused research taking place at CSPP. Bowlby proposed in his preface to Karl's book Explorations in Adult Attachment ‘May the path these researchers have pioneered be followed by many others’ (Pottharst, 1990a, p. xiii).
Karl Pottharst was passionate about attachment theory. His intelligence, creativity, and openness to novel ideas led to an enormous body of research. He acknowledged the value of Hansburg's Separation Anxiety Test which furthered attachment research and inspired his work (Hansburg, 1980, 1986). Between 1974 and 1992, Karl chaired and mentored over fifty-five dissertations using attachment theory as the theoretical underpinning. The research looked at attachment and separation variables in different clinical populations. Bowlby wrote the following in Karl's book.
The collection of studies reported here are among the first projects in clinical research … in this new framework. Differences are predicted in experiences in
Page 176relationships with parents during childhood and a