によって IgorVetushko 7360x4912 px
ストック写真ID: 178883354
Senior lecturer holding piece of chalk and looking away
Grey hair professor pointing on something at lecture hall
Senior lecturer pointing on something in lecture room
Senior lecturer holding book and looking away
Senior lecturer leaning on table and looking away
Happy senior lecturer buttoning shirt
Pensive senior lecturer standing with pencil isolated on white
Grey hair professor holding stack of books
Cropped shot of senior man with pencil and sheet of paper
Cropped view of senior man in stylish clothes holding eyeglasses and digital tablet isolated on dark grey
Confused senior man showing dubium gesture while looking at camera isolated on grey
Smiling senior man in shirt and jacket pulling hand at camera on blurred foreground isolated on grey
Thoughtful senior man with pencil and sheet of paper in front of white brick wall
Cropped view of stylish senior businessman holding eyeglasses isolated on black
Smiling senior man looking at camera while touching jacket isolated on grey
Positive senior man talking on smartphone and pointing with finger isolated on grey
