Starszy wykładowca trzyma książkę i wyświetlone jeden palec - Zdjęcie stockowe & obraz

Senior lecturer holding book and looking away

Smiling grey hair professor holding paper plane in lecture hall

Grey hair professor talking by smartphone and looking at camera

Senior lecturer showing idea gesture

Senior lecturer holding book and looking away

Grey hair professor using laptop at table in lecture hall

Grey hair professor stretching in empty lecture room

Grey hair professor holding piece of chalk and looking at blackboard

Cheerful businessman in glasses voting near brick wall

Senior man in tweed suit writing letter in front of white brick wall

Serious senior man writing in notebook with pencil

Close-up shot of senior writer at workplace taking book from stack

Portrait of handsome mature businessman in suit and eyeglasses looking at camera in office

Adult son and senior father talking at kitchen home

Bearded senior writer reading manuscript with magnifying glass

Happy speaker pointing with hand at journalist with raised hand