Royalty-Free Professor Photos, dominant color: gray, sorted by aesthetic score

2100x1500

people performing yoga under blue sky

Public Domain
1535x2000

grayscale portrait photograph of Albert Einstein

Public Domain
4928x3264

man covered with adhesive tape and sticky notes

Public Domain
2000x1649

grayscale photography of Albert Einstein

Public Domain
4000x3000

women doing yoga on rock formation

Public Domain
3888x2592

macro photography of brown pencil tip on white surface

Public Domain
1352x1920

grayscale photo of man wearing blazer with cigar

Public Domain
3872x2592

opened book on brown sand

Public Domain
2523x3313

photography of Albert Einstein

Public Domain
5616x3744

man wearing gray shirt sitting on green and black rolling chair using computer

Public Domain
2048x1536

photo of group of people inside room

Public Domain
8000x4203

man wearing gray shirt facing on blackboard

Public Domain
2328x3492

People watching a presentation in a room

Public Domain