Ключевые слова: academic, aged, aged elderly, blackboard, caucasian, chalkboard copyspace, class, classroom, college, copy space, copyspace, education, educator, elegant, exam, excited, expert, grandfather, grey hair, handsome, intelligent, knowledge, learn, learn lesson, learning, lecturer, man, mature adult, occupation, old, oldage, portrait, professor, retirement, school, science, scientist, seminar, senior, senior professor, study, studying, suit, teach, teacher, teacher class, teaching, tutor, tutor study, university,