Starszy wykładowca, opierając się na drewniane tribune w klasie - Zdjęcie stockowe & obraz

Pensive senior lecturer standing with pencil isolated on white

Happy senior lecturer standing at wooden tribune isolated on white

Cropped image of senior lecturer holding book and showing one finger up

Senior lecturer holding piece of chalk and looking away

Grey hair librarian holding book and leaning on shelf

Grey hair professor sitting on table in lecture room and holding book

Back to school. education in retro school. bearded man give marks in diary. write notes in book. senior teacher make notes. teacher of geography. classroom with map and blackboard. read the book.

Selective focus of senior man in grey pullover and glasses standing by wooden bridge railing and looking at camera

Handsome grey hair man sitting in armchair, holding old photos and looking away

Smiling senior man in shirt and jacket pulling hand at camera on blurred foreground isolated on grey

Elderly man in shirt and jacket using smartphone isolated on grey

Handsome grey hair man holding book and looking at camera at home

Bearded speaker in glasses standing near microphones and brick wall

Confused senior man showing dubium gesture while looking at camera isolated on grey

Happy bearded speaker in glasses talking near microphones and brick wall

Smiling senior man looking at camera while touching jacket isolated on grey