Stock Photos: smart old bald With beard

Old professor holding small blackboard
Involved in thoughts old professor holding globus
Old professor holding small blackboard
Old professor holding book and looks surprised
Smiling old professor holding small blackboard and pointing on it
Surprised old professor holding globus and pointing on it
Well, and what do you think about this thing?
Becoming fully digital from now on
Hm, should i read more books or news already?
Old professor holding an ipad with both hands
Laughing mature professor holding his glasses
Yeah, this is what i call a good quality thing
Interested with something old professor holding digital tablet
This digital device is quite a thing
Old professor holding holding ipad with one hand
Serious looking old professor holding small blackboard
Oh, how could you say it, it's my favorite book
Old professor holding tablet with one hand
Old professor holding globus and looking aside
Old professor holding a book and pointing on it
Well, do you have any thoughts about that?
Old professor holding booka and looking confused
Ok, and now tell me what's this?
Old professor balancing with ipad on his forehead
Amazed old professor reading a book
Getting more familiar with new device
Could someone explain me a little on this?
Old professor sitting half sideways and using digital tablet
Old professor sitting in profile and attentively looking at digital tablet
Old professor holding fists like bunny ears
Well, are you ready to start your learning process?
Old professor seems like saying something and holding a tablet
Who's ready to start study time?
New generations should learn from this
Super thrilled about this study time
Old professor holding a digital tablet and pointing on it
Would you take a closer look on this spot?
Severe looking old professor holding globus and pointing something
Old professor standing at the table and holding digital tablet
Old professor holding digital tablet and seems like saying something
Laughing old professor holding a small blackboard
Old professor holding globus and pointing on it
Interested with something old professor holding digital tablet
I need a piece of advice about managing this device
Excited old professor holding book and pointing on it
Well, and i actually can find anything with help of this?
Excited old professor holding digital tablet
Guessing what next should i read
Serious looking mature professor holding book on his head
Old professor holding a book and seems like talking to someone
Old professor holding globus and seems bothered with something
Old professor showing a tablet
Old professor standing at th table and looking attentively on digital tablet
Focused on checking morning news
Guess, i need some advice on that
Balancing with amount of knowledge
Old professor sitting in profile and using tablet
Old professor looking at globus and seems not understanding something
Smiling old professor holding a book with hands spread
Taking a closer look on places to visit