Profesor senior sosteniendo libro y mirando hacia otro lado - Foto e imagen de stock

Senior lecturer holding book and showing one finger up

Smiling grey hair professor holding paper plane in lecture hall

Senior lecturer showing idea gesture

Senior lecturer holding book and looking away

Grey hair professor talking by smartphone and looking at camera

Grey hair professor talking by smartphone and looking away

Grey hair professor using laptop at table in lecture hall

Thoughtful senior lecturer sitting at table with pencil and notebook

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

Handsome grey hair man reading book at home

Thoughtful senior writer holding stack of books

Handsome senior writer reading manuscript with magnifying glass

Serious grey haired writer working with typewriter

Senior writer in tweed suit and eyeglasses with letter near workplace