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Science teacher writting at blackboard. Education and physics.
Side view portrait of senior Black college professor thinking by chalkboard while preparing for lecture in college
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
A waist-up portrait of a male science teacher writing on a whiteboard. He is concentrating, wearing a white lab coat in a science room.
Mature caucasian man high school teacher writes mathematics formulas on the blackboard with chalk. Copy space. Education concept.
Mature teacher talking to students, standing in the lecture hall against blackboard.
Math teacher by the blackboard during mathclass - detail of the hand with chalk
An Asian male young adult is holding up a marker in front of a whiteboard tutoring economics in a university or high school interactive learning classroom. He is wearing a lavalier clip-on microphone, being filmed for remote learning. He is wearing a beige hooded jacket and a white polo shirt.
A woman giving a speech at a business technology conference.
Professor writing on the blackboard.
Annoyed elderly man holds a marker, expressing irritation over an overlooked obvious point, standing against a plain grey blackboard
University professor with stick, cross processed
young smart female teacher in university writing biology formulas on the huge blackboard
A gray-haired famous professor in a jacket and jeans shows his way of solving the theorem at a training seminar for teachers.
Shot of one male student asking the professor for a word in the class to talk about ecology and planet Earth.
Professor teaching on blackboard
Back view of group of mature adult female and male students sitting in the classroom. Female teacher standing in front of blackboard.
Portrait of mature businessman in suit looking at camera while giving his speech at conference
college life
Man standing at chalkboard explaining Pythagorean theorem while pointing at triangle drawn on board, with colorful magnets and wall clock in background
female teacher explane chemical formulas near chalkboard, education concept
University Student working as team to solve a mathematical problem
japan
A public speaker is pointing to the blank presentation screen.
man with a mad hair and a lab coat in front of a blackboard,, holding a piece of chalk
Portrait of teacher looking at camera and explaining topic in the classroom against blackboard
Smiling confident teacher in his classroom standing leaning back against the blank chalkboard with a cheerful friendly smile
Senior female math teacher writing on board in classroom. She is in her fifties. This is part of a series promoting diversity and equity in STEM. Horizontal waist up indoors shot with copy space. This was taken in Montreal, Quebec, Canada.
Free Images: "bestof:Witten Blackboard.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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