There are three general goals towards which the author directed his attention. The first relates to the actualisation of the fact that Pilar among other things dealt in psychological analyses. The second relates to the actualisation of the fact that he wrote a work some qualify as one of his main writing achievements, based on which one may, with considerable theoretical justification from a contemporary psychological perspective, assign him the attribute of one of the pioneers of development of psychology, especially social psychology in Croatia. The third refers to the actualisation of the fact of Pilar’s inclination towards the application of theoretical achievements in practice, and that is an approach which started to develop in social...