41 Educational services; Educational services, namely, conducting lectures, seminars, workshops, forums, meetings, webinars, podcasts, videos, exhibitions, and conferences in the fields of optics and photonics; publishing of journals, periodicals, books, teaching guides, industry reports, market reports, and conference papers; online electronic publishing of journals, periodicals, books, and conference papers in the fields of optics and photonics; providing online publications in the nature of journals, periodicals, books, teaching guides, conference papers, industry reports, and market reports in the fields of optics and photonics; providing recognition by the way of awards and honors to demonstrate excellence in the field of optics and photonics; providing an online computer database of images related to optics and photonics