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Rear view of audience sitting and listening while mixed race businessman standing near podium and giving presentation on white projector in the auditorium
Large group of college students having a class in amphitheater while some of them are finding their seats in blurred motion.
Mature doctor in white coat presenting his report at medical conference
Unrecognized person sets the stage
An African man giving a speech at a business technology conference.
Tech Conference Stage: Speaker Talks about Product. Neural Networks, Artificial Intelligence, Big Data and Machine Learning. Screen Shows Infographics, Statistics. Live Startup Business Event
Portrait of male college teacher at whiteboard in classroom. He is wearing eyeglasses and an orange sweater. Vertical waist up indoors shot with copy space. This was taken in Quebec, Canada.
A gray-haired famous professor in a jacket and jeans shows his way of solving the theorem at a training seminar for teachers.
The professor writing on the white board.
Profile view of a senior professor brainstorming during a lecture in amphitheater. His students are in the background.
Man speaking in front of a crowd. Also see...
Portrait of mature businessman in suit looking at camera while giving his speech at conference
mature teacher standing in front of an empty blackboard, could be a university classroom, professional course but also a military man or a sales expert, experienced and proud, holds a chalk in his han
Senior businessman giving presentation during a seminar. Senior entrepreneur talking during a summit.
On the university campus, a male professor is giving an angry lecture.
A man is making a speech in front of a big audience at a conference hall.
Male pensioner giving a speech on a pedestal isolated on white background
A public speaker is pointing to the blank presentation screen.
focus on a microphone and the hands of a speaker giving a speech at the podium during a political rally, a symposium or a meeting
A handsome Asian senior adult businessman is giving a business presentation in a business meeting room.
Senior teach standing with a serious expression and hand in pocket holding chalk pointing to a blank chalkboard in a classroom
Senior professor talking in front of large group of his students during a lecture in amphitheater. Blurred motion.
Crazy professor / scientist / lecturer with mad hairstyle wearing horn rimmed glasses and fake mustache standing in front of a whiteboard and pointing at dna structure with happy goofy face
One young professor having classes about modern topics
Mature politics speaking his speech in microphone during conference with his colleagues
As he gestures to emphasize his point, the mid adult male hipster speaks to the expo audience during one of the break out sessions.
A woman giving a speech at a business technology conference.
Speaker talking in seminar with audience at business meeting for key of success stock photo. Business seminar stock photo. Confident male leader, coach talking. Speaker talking in seminar. Speaker at business conference or presentation stock photo. Male CEO talking during a business presentation in a board room. Copy space. Business coach concept during speech.
Rear view, waist-up portrait of an unrecognisable male science teacher writing on a whiteboard. He is wearing a white lab coat in a science room.
Free Images: "bestof:Ian Lowe.jpg en Professor Ian Lowe making a presentation in Hobart April 6 2009 Own Barrylb 2008-04-06 DEFAULTSORT Lowe Ian Alumni of the University of New"
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