Aufgeregter Nerd mit Idee, während er offenes Buch isoliert auf weißem Papier hält - Stockfoto & -bild

Cheerful nerd in eyeglasses holding open book isolated on white

Positive nerd in eyeglasses looking at camera while holding books isolated on white

Portrait of a surprised man standing with book isolated on a white background

Happy mature teacher reading book. brutal bearded man work in classroom with notebook. prepare for exam. college lecturer on lesson. back to school. informal education. have an idea.

Cropped view of businessman reading book with intellectual property title isolated on grey

Positive businessman smiling at camera while holding paper folder isolated on grey

Cropped view of businessman reading juridical book with intellectual property title isolated on grey

Portrait of young emotional man pointing up with tablet in hand isolated on white

Shocked african american man reading book isolated on blue

Shocked and bearded man pointing with finger isolated on white

Shocked male nerd with open mouth in eyeglasses holding books on pink

Handsome businessman touching glasses and pointing with finger isolated on grey