Moreover, the total studied materials count no less than 400,000 types of insects, including 125,000 specimens of micro-Lepidoptera (small butterflies), found now in the Museum of Natural History "Grigore Antipa" Bucureşti. However, at the beginning of its scientific work, the papers he presented were regarded with suspicion, since he was not a highly educated specialist. His family had forced him to attend the Faculty of Law, to which he had no attraction, but he obtained a law degree (he heard, as in parallel, the natural science courses too).