One of those splendid 'minor papers' published shortly after Dr. Kubie's death, this paper begins and ends with the observation that 'unsolved' does not mean 'insoluble'. A significant number of vital issues about the group therapeutic process are presented which are, or should be, of as much interest to individual psychotherapists as to group therapists. Dr. Kubie posits no answers, but he makes it more difficult for us to pretend that such problems do not exist.

Issues which are of concern to psychoanalysis include the following. What kind of data can be evoked in group situations which are difficult if not impossible to obtain in the individual psychotherapy setting—and vice-versa? Is a group setting of use in inducting certain isolated patients into the process of therapy? Is there an optimal arrangement of a series of alternating individual and group psychodynamic experiences? When do groups mask and when do