Stock royalty-free photos and images of Καθηγητής

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

Senior lecturer holding book and showing one finger up

Grey hair professor standing near stack of books

Female teacher sitting at computer desk, holding glasses and looking at camera in classroom

Smiling senior lecturer standing in classroom and looking at camera

Happy senior lecturer holding paper plane in hand

Cropped view of teacher writing in notebook near devices on desk, banner

Female teacher pointing with finger at mathematical equation on chalkboard in class

Grey hair professor looking at laptop

Smiling grey hair professor holding stack of books with apple on top

Smiling senior lecturer pointing on something at white screen with wooden pointer

Beautiful female teacher with wooden pointer explaining mathematical equations in classroom

Happy senior lecturer with open arms standing near blackboard

Smiling grey hair professor holding stack of books with apple on top

Smiling female teacher sitting at computer desk with blank screen in classroom

Senior lecturer holding book and looking away

Female teacher in glasses checking exam results of male student in classroom

Smiling senior lecturer holding clipboard and looking at camera

Grey hair professor sitting on desk in empty lecture room and using laptop

Grey hair professor looking at book

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

Smiling grey hair professor holding piece of chalk

Side view of grey hair professor correcting something at blackboard

Smiling grey hair professor looking at smartphone in lecture room

Smiling teacher looking at camera, multicultural students talking near medical university

Cropped view of female teacher with wooden pointer explaining mathematical equations in classroom

Crumpled paper balls flying at frightened female teacher in classroom with chalkboard on background

Male student and female teacher using laptop during lesson in classroom

Selective focus of young student sitting in classroom with teacher on background

Teacher talking with smiling multicultural students at medical university

A man teacher instructing a group of kids in a bright, lively classroom. One boy attentively listening while seated at desks.

A man sits enraptured in front of a green board, lost in thought.

Smiling middle aged teacher in glasses holding pointer stick isolated on blue

Grey hair professor talking by smartphone and looking at camera

Cropped view of teacher holding paper with lesson one lettering near globe near devices on desk

Cheerful teacher in eyeglasses holding card with green lettering and looking at laptop near globe and smartphone on desk

Young african american student with backpack smiling at camera in university

Beautiful female teacher in glasses sitting at computer desk and reaching for apple in classroom

Smiling student with backpack using laptop in university

Teacher and multicultural students looking at folder at medical university

Attractive lecturer talking by smartphone near medical university

Asian student looking at blurred teacher near laptop and notebooks in university

Female university professor in glasses sitting at desk and using laptop in classroom

Pensive young teacher in eyeglasses looking away

Cropped view of smiling woman holding paper with lesson one lettering near globe and laptop on desk

Interracial students looking at laptop near teacher in university corridor

Asian student writing on notebook near smartphone and coffee to go in university

Low angle view of smiling asian student with smartphone and notebook looking at camera near blurred friends and teacher in university

Senior lecturer holding piece of chalk and looking away

Happy female university professor with outstretched hands looking at camera in classroom