Lecture-hall Stock Photos & Royalty-Free Images

Class is in session

pensive grey hair professor standing at blackboard with piece of chalk

side view of senior lecturer writing something on blackboard with piece of chalk

senior lecturer holding book and looking away

senior lecturer protecting himself of falling crumpled pieces of paper

Conference hall. Convention center with podium. Professional meeting. Summit

senior lecturer looking at crumpled pieces of paper on table

grey hair professor holding piece of chalk and looking at blackboard

senior lecturer holding book and looking away

Conference hall. Convention center with podium. Professional meeting. Summit

Conference hall. Convention center with podium. Professional meeting. Summit

Help, Im in the wrong class

Conference hall. Convention center with podium. Professional meeting. Summit

rear view of senior lecturer writing something on blackboard with piece of chalk

Conference hall. Convention center with podium. Professional meeting. Summit

senior lecturer standing between falling crumpled pieces of paper

thoughtful senior lecturer sitting at table with pencil and notebook

grey hair professor pointing on something with pencil on blackboard

side view of grey hair professor drawing with piece of chalk at blackboard

happy senior lecturer holding paper plane in hand

pensive grey hair professor standing at blackboard with piece of chalk

Focused student taking notes during class at the university

senior lecturer leaning on wooden tribune in classroom

Conference hall. Convention center with podium. Professional meeting. Summit

grey hair professor showing fist to students

grey hair professor working with laptop

senior lecturer biting eyeglasses isolated on white

grey hair professor leaning on table and walking stick

senior lecturer pointing on something in lecture room

back view of senior lecturer writing something on blackboard with piece of chalk