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As he gestures to emphasize his point, the mid adult male hipster speaks to the expo audience during one of the break out sessions.
Dean giving a speech at a podium in front of people in the audience
An African man giving a speech at a business technology conference.
Senior businessman giving presentation during a seminar. Senior entrepreneur talking during a summit.
Teenage boy giving a speech on school assembly. The boy is holding a microphone.\nShot with Canon R5
Rear view of audience sitting and listening while mixed race businessman standing near podium and giving presentation on white projector in the auditorium
Mature doctor in white coat presenting his report at medical conference
White young American politician explaining something at the debates, standing behind the pedestal on a blue background
Business coach training corporate workers in conference room, medium shot. Mid adult male project manager speaking in office meeting, front side view
Medium full shot of adult male college professor giving lecture on law in university classroom while student raising hand asking question
Congressman giving a speech
Young University Professor Explaining the Importance of Artificial Intelligence to a Group of Diverse Multiethnic Students in a Dark Auditorium. Teacher Showing Neural Network on Two Big Screens
People learning in a lecture hall.
Confident mature delegate looking at female opponent during speech at conference and describing her viewpoint about adopting new laws
Businessman standing at podium with laptop giving a speech. Successful male business professional addressing a seminar.
A public speaker is pointing to the blank presentation screen.
Mature businessman speaking in microphone and presenting his report at conference
Shot of one male student asking the professor for a word in the class to talk about ecology and planet Earth.
Male doctor waving at audience from the stage at a medical conference event
View from rear of classroom as diverse group listens and take notes while male educator lectures. Property release attached.
Front view of mixed race businessman giving speech in front of audience in the auditorium
Back view of group of mature adult female and male students sitting in the classroom. Female teacher standing in front of blackboard.
Mature bald professor and young mixed-race student discussing solution of equation by blackboard while teacher pointing at one of its derivative
A man giving a speech at a business technology conference.
medicine seminar with students and a senior doctor, education and teaching, empty whiteboard
Horizontal indoor shot
Students of honor and a dean standing on a podium in front of people in the audience
female student standing in university auditorium, studing biology
One young professor having classes about modern topics
Free Images: "bestof:Witten at Chalmers.jpg Edward Witten giving a speech at Chalmers tekniska högskola Göteborg Sweden own 2008-04-29 Ojan Edward Witten Scientists at blackboards"
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