Stock Photos: man With beard

He seems pretty pleased with himself
Ready for the meeting with all-life love
I am warning you for the last time
I'm as strong as an ox
Don't you dare come near me!
Mature professor adjusting his eyeglasses
I'm begging you, stop it!
This science decision is not my thing
Wow! it`s a pineapple!
Look, it's time for an adult conversation
Hey, i'm just fooling around here
Mature man pointing up and looks like explaining something
Hey, what are you talking about?
Well, what's looming on the horizon?
Excellent results folks!
One grandpa instead of three teachers
Well, what's in the papers today?
Wow, that's what i call a good idea!
What a joy to meet you at last!
Too-full feeling after eating just a little too much
So, what do you got for me, man?
Yeah, i ate too much, but it was so good!
mature professor looking lost and mad
Excited mature professor adjusting eyeglasses
Let me tell you something, man
Couldn't have been better
Involved in thoughts old professor holding globus
Oh, how could you say it, it's my favorite book
This subject needs a serious consideration
Beard stroking is a sign of contemplation
I still feel as fresh as a daisy
Give me your word you won't do that again
What a sweet grandpa... or it just seems so
Sorry, i don't think i can help you
Sorry, i don't think i can help you
Feeling quite serious when thinking about science
Laughing mature professor holding his glasses
We'll see who has the last laugh
Old professor holding book and looks surprised
Do you want to bet against me?
Pensive mature man bitting his eyeglasses
You wanna say that again?
Mature professor seems to don't understand something
Serious looking old professor standing with his hands folded
Well, what's in the papers today?
Quite contented with work result
What the hell are they doing there?
Yeap, i feel like a million bucks
Well, nice talking to you, old man
You have no chance of getting out now
Well, and what we're gonna do about that?
Well, this crossword puzzle is too mind boggling
Mature professor looking confused
I like to stay on top of things, you know
Who the hell are you, man?
Serious looking mature professor standing with hands folded
Old professor holding globus and seems bothered with something
Old professor holding globus and looking hugely distured with something
Taking a closer look on places to visit
When science work's been just great
Surprised old professor holding globus and pointing on it