knowledge and scheduling concept professor with puzzled face

navigate by keyword : academic adult background barbershop beard bearded blue book caucasian color concept copy director education eyeglass face glasses guy guys hair haircut hairdresser hand hands headteacher hold holds intelligent knowledge male man mature moustache nerd notebook organizer professor puzzled schedule scheduling smart space student study teacher textbook unshaven wear wears

Knowledge and scheduling concept. Professor with puzzled face. Teacher wears glasses and holds organizer. Man with beard and book. Notebook in blue color in guys hands on blue background, copy space