Since the initial occurrences of 1922, several explanations have been proposed for this experience of Krishnamurti's. Leadbeater and other Theosophists expected the "vehicle" to have certain paranormal experiences but were nevertheless mystified by these developments. During Krishnamurti's later years, the nature and provenance of the continuing "process" often came up as a subject in private discussions between himself and associates; these discussions shed some light on the subject but were ultimately inconclusive. Whatever the case, the "process", and the inability of Leadbeater to explain it satisfactorily, if at all, had other consequences according to biographer Roland Vernon: