Confident professor sitting at desk and posing
portrait of medieval bearded monk looking away isolated on black, banner
Confucius Temple and The Imperial College Museum in Beijing, China.
The Academy of Athens, Greece
Athens Greece - Academy buildind
thoughtful and serious priest holding hand near chin isolated on black
Closeup of Karl Marx
Professor studying in his office
Ancient ruins in modern times. Shot of ancient Roman ruins in Turkey.
Old rosary
Boring brunette tan teen girl sitting on gray background looking at camera resting cheek on hand.
Monument of Karl Marx and Friedrich Engels from Soviet era
Senior academic researcher working in his office
medieval alchemist preparing magic potion at night isolated on black
Buddha with friends
University of Athens building (National and Kapodistrian University of Athens), Greece
senior wizard mixing boiling potion in steaming pot at night isolated on black
Senior academic researcher working in his office
Mature woman with wrinkled hands in a contemplative gesture against a plain white background
Concept of stoicism wooden letters on the background of a pyramid of stones on the table
Monument of Karl Marx and Friedrich Engels from Soviet era
senior alchemist reading magic cookbook at night on black background with smoke
thoughtful alchemist holding jar with liquid near magic cookbook on black background
Aristotle Sculpture at Old Town Hall Facade - Bremen, Germany
Confident professor sitting at desk and posing
Ancient ruins in modern times. Shot of ancient Roman ruins in Turkey.
senior wizard reading magic cookbook near pot and ingredients isolated on black
Academic professor working in his office
the statue of Socrates, Platon, Athena and Apollon . National and Kapodistrian University.Athens, Gr
Thoughtful puzzled wistful man looking up touching chin on beige background.
