Profession Stock Photos: bald man With beard

#mustache
Pensive mature man bitting his eyeglasses
Oh, i didn't see it coming
Mature man pointing up and looks like explaining something
Old professor holding small blackboard
Well, are you ready to start your learning process?
Guess, there's nothing i can do about that
Old professor involved in reading a book
Old professor standing next to whiteboard and explaining something
Trying my best at reching out to students
Ok, fellas, now it's time to remember few things
It's so easy, how can you don't get it?
Telling students all the needed info
Serious looking old professor holding small blackboard
Old professor holding book and looks surprised
Serious looking old professor standing with his hands folded
When a huge problem happened out of nowhere
When a huge problem happened out of nowhere
Serious looking mature professor standing with hands folded
Old professor touching his beard and reading a book attentively
Old professor standind near whiteboard and pointing up with a merker
Surprised old professor holding globus and pointing on it
Hm, should i read more books or news already?
Smiling old professor holding a book with hands spread
Serious mature professor adjusting glasses and seems like not understanding something
Information in this book just blows me away
Serious looking mature professor holding book on his head
Old professor holding a digital tablet and pointing on it
Would you take a closer look on this spot?
Old professor hugging globus
Thinking about all these work things
Old professor standing next to whiteboard and explaining something
Mature professor adjusting his eyeglasses
Mature man adjusting his eyglasses and looking lost
Smiling old professor holding small blackboard and pointing on it
Who's ready to start study time?
Old professor holding small blackboard
Old professor holding fists like bunny ears
We should take a closer look on this thing
I need you to follow me on this
Trying my best at reching out to students
When work gives you smile and great time
I'm counting on your good subject knowledge here
Really passionate about what i'm doing
Feeling quite serious when thinking about science
This science decision is not my thing
Quite contented with work result
Well, and what we're gonna do about that?
Excited mature professor adjusting eyeglasses
This digital device is quite a thing
Trying to reach out to students
Well, and what do you think about this thing?
Getting more familiar with new device
Old professor standing at the table and holding digital tablet
Laughing old professor with his eyeglasses on his head
I have some problems with understanding that
Balancing with amount of knowledge
Old professor showing a tablet
Trying to teach students some geography
Old professor hugging globus
Laughing mature professor standing with his hands folded and eyeglasses off
Old professor standing with his ahnds folded and eyes closed