Ключевые слова: academic, academic ceremony, academic regalia, architecture, celebration, ceremony, concert hall, crowd, decorations, doctor, doctor of science, doctoral hat, doctors, doctors of science, education, europe, exam, guests, higher education, insignia, interior, linkoping university, louis de geer, norrkoping, ostergotland, people, phd, professor, promovendi, scandinavia, scandinavian, science, scientists, spectators, stage, sweden, swedish, symbols, thesis, university, visitors,