“…devoted to the 'totum humanum, the whole man in his ontological scope as self, personality, and person'' (Spiegelberg, 1972, p. 249). In their concern for establishing a science of the whole human being, these four eventually found valuable intellectual company with other Europeans like the biologist Frederick Buytendijk (1961), the neurologist Viktor von Weizsa ¨cker (1940), and psychiatrists Henri Ey (1963=1978), Roland Kuhn (1958), J. H. Van Den Berg (1955), andDieter Wyss (1966) to name just a few. However, it was left to two Swiss psychiatrists, Ludwig Binswanger (1958Binswanger ( , 1963 and Medard Boss (1963Boss ( , 1979, to develop the first systematic existential approaches to psychiatric psychopathology and depth psychotherapy respectively.…”