En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
218 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe searchSafe search
    Clear
    Hide
    Senior lecturer pointing on something in lecture room — Stock Photo
    Senior lecturer pointing on something in lecture room
    Senior lecturer in empty lecture room screaming and looking at laptop — Stock Photo
    Senior lecturer in empty lecture room screaming and looking at laptop
    Teacher — Stock Photo
    Teacher
    Happy young african american teacher writing on whiteboard at lecture room with blurred students sitting on background — Stock Photo
    Happy young african american teacher writing on whiteboard at lecture room with blurred students sitting on background
    Grey hair professor holding paper plane in lecture hall — Stock Photo
    Grey hair professor holding paper plane in lecture hall
    Senior lecturer holding book and pointing on something — Stock Photo
    Senior lecturer holding book and pointing on something
    Grey hair professor pointing on something with finger at blackboard — Stock Photo
    Grey hair professor pointing on something with finger at blackboard
    Tired grey hair professor touching nose bridge — Stock Photo
    Tired grey hair professor touching nose bridge
    Grey hair professor pointing on something at blackboard with wooden pointer — Stock Photo
    Grey hair professor pointing on something at blackboard with wooden pointer
    Thoughtful senior lecturer looking down on white — Stock Photo
    Thoughtful senior lecturer looking down on white
    Grey hair professor sitting in empty lecture room and looking at laptop — Stock Photo
    Grey hair professor sitting in empty lecture room and looking at laptop
    Ripe apple on stack of books on table in lecture room — Stock Photo
    Ripe apple on stack of books on table in lecture room
    Multiethnic young students in lecture room of college — Stock Photo
    Multiethnic young students in lecture room of college
    Side view of grey hair professor correcting something at blackboard — Stock Photo
    Side view of grey hair professor correcting something at blackboard
    Smiling grey hair professor holding piece of chalk — Stock Photo
    Smiling grey hair professor holding piece of chalk
    Senior lecturer holding book and looking away — Stock Photo
    Senior lecturer holding book and looking away
    Smiling senior lecturer standing in classroom and looking at camera — Stock Photo
    Smiling senior lecturer standing in classroom and looking at camera
    Senior lecturer leaning on wooden tribune in classroom — Stock Photo
    Senior lecturer leaning on wooden tribune in classroom
    Young students spending time together at lecture room of university — Stock Photo
    Young students spending time together at lecture room of university
    Grey hair professor pointing on something at lecture hall — Stock Photo
    Grey hair professor pointing on something at lecture hall
    Happy senior lecturer with open arms standing near blackboard — Stock Photo
    Happy senior lecturer with open arms standing near blackboard
    Young concentrated students working together at lecture room — Stock Photo
    Young concentrated students working together at lecture room
    Cropped image of senior professor pointing on something with pencil on blackboard — Stock Photo
    Cropped image of senior professor pointing on something with pencil on blackboard
    Senior lecturer sleeping at working table — Stock Photo
    Senior lecturer sleeping at working table
    Grey hair professor leaning on table and walking stick — Stock Photo
    Grey hair professor leaning on table and walking stick
    Grey hair professor covering face with book — Stock Photo
    Grey hair professor covering face with book
    Young serious students working together at lecture room — Stock Photo
    Young serious students working together at lecture room
    Cropped image of thoughtful senior lecturer sitting at table with pencil and notebook — Stock Photo
    Cropped image of thoughtful senior lecturer sitting at table with pencil and notebook
    Lecture — Stock Photo
    Lecture
    Grey hair professor looking out from book — Stock Photo
    Grey hair professor looking out from book
    Smiling grey hair professor holding stack of books with apple on top — Stock Photo
    Smiling grey hair professor holding stack of books with apple on top
    Multiethnic young students in lecture room of college — Stock Photo
    Multiethnic young students in lecture room of college
    Smiling african american student talking to classmate during lesson with blurred teacher on background — Stock Photo
    Smiling african american student talking to classmate during lesson with blurred teacher on background
    Team leader in medical mask near multicultural coworkers during meeting — Stock Photo
    Team leader in medical mask near multicultural coworkers during meeting
    Smiling grey hair professor holding paper plane in lecture hall — Stock Photo
    Smiling grey hair professor holding paper plane in lecture hall
    Happy senior lecturer holding paper plane in hand — Stock Photo
    Happy senior lecturer holding paper plane in hand
    Grey hair professor holding stack of books — Stock Photo
    Grey hair professor holding stack of books
    Senior lecturer showing idea gesture — Stock Photo
    Senior lecturer showing idea gesture
    Smiling senior lecturer pointing on tablet isolated on white — Stock Photo
    Smiling senior lecturer pointing on tablet isolated on white
    Young speaker looking at notebook while standing near flipchart and women on blurred foreground — Stock Photo
    Young speaker looking at notebook while standing near flipchart and women on blurred foreground
    Grey hair professor pointing on something at blackboard — Stock Photo
    Grey hair professor pointing on something at blackboard
    Collage of smiling african american speaker standing near group of women and holding hands together during seminar — Stock Photo
    Collage of smiling african american speaker standing near group of women and holding hands together during seminar
    Asian woman supporting coworker during seminar in meeting room — Stock Photo
    Asian woman supporting coworker during seminar in meeting room
    Happy african american businesswoman using digital tablet near asian colleague — Stock Photo
    Happy african american businesswoman using digital tablet near asian colleague
    Happy multicultural businesswomen applauding to speaker during seminar — Stock Photo
    Happy multicultural businesswomen applauding to speaker during seminar
    Cropped view of woman typing on laptop with blank screen during seminar — Stock Photo
    Cropped view of woman typing on laptop with blank screen during seminar
    Grey hair professor yawning in empty lecture room — Stock Photo
    Grey hair professor yawning in empty lecture room
    Senior lecturer in empty lecture room screaming and looking at camera — Stock Photo
    Senior lecturer in empty lecture room screaming and looking at camera
    Grey hair professor holding piece of chalk and looking at blackboard — Stock Photo
    Grey hair professor holding piece of chalk and looking at blackboard
    Happy asian businesswoman in glasses applauding near group of women during seminar — Stock Photo
    Happy asian businesswoman in glasses applauding near group of women during seminar
    Grey hair professor showing fist to students — Stock Photo
    Grey hair professor showing fist to students
    Rear view of grey hair professor looking at blackboard — Stock Photo
    Rear view of grey hair professor looking at blackboard
    Speaker standing with notebook and looking at businesswoman gesturing on blurred foreground during lecture — Stock Photo
    Speaker standing with notebook and looking at businesswoman gesturing on blurred foreground during lecture
    Smiling student girl sitting at lecture room with laptop — Stock Photo
    Smiling student girl sitting at lecture room with laptop
    Grey hair professor using laptop at table in lecture hall — Stock Photo
    Grey hair professor using laptop at table in lecture hall
    Grey hair professor standing near stack of books — Stock Photo
    Grey hair professor standing near stack of books
    Young african american teacher leaning on whiteboard at lecture room with blurred students sitting on background — Stock Photo
    Young african american teacher leaning on whiteboard at lecture room with blurred students sitting on background
    Pensive grey hair professor standing at blackboard with piece of chalk — Stock Photo
    Pensive grey hair professor standing at blackboard with piece of chalk
    Professor — Stock Photo
    Professor
    Happy african american speaker standing during seminar near group of women on blurred foreground — Stock Photo
    Happy african american speaker standing during seminar near group of women on blurred foreground