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A modernly dressed professor engages in educating students, who listen attentively, creating a dynamic scene of knowledge-sharing and focused learning in the classroom
Businessman in office with lots of diplomas and picture frames
Low key portrait of a smiling man in long sleeve white shirt leaning on a table on the dark bookshelf background with copy space
Portrait of a handsome young businessman working in the office. Manager sitting on desk in modern office and looking at camera.
fifties
portrait of a modern man in modern surrounding.
Mihai Eminescu cit from 1000 Romanian lei banknote, 1996 Series - paper, for design purpose
Portrait of a successful mature businessman sitting at his work desk. Confident male professional in formalwear looking at camera.
Mature happy businessman in eye glasses and suit is smiling sitting by the  laptop in office
Portrait of man by computer in living room
Ninomiya Sontoku a closeup portrait from old Japanese yen
Smiling reporter working at office desk with vintage typewriter, 1950s style.
Mature professional man with a friendly smile sitting at his workplace.
Dnepropetrovsk, USSR - circa 1982: A young researcher at the Dnepropetrovsk Metallurgical Institute makes manual calculations without the use of a microcalculator and a personal computer.
Portrait of a doctor (osteopath, chiropractor, massage therapist) sitting at the desk at his office. Space for copy.
Mature grey haired man in blue suit sitting, looking at camera and holding glasses in his hands
Portrait of diverse businessman at work in the office
Portrait of one young and happy cheerful man smiling looking at the camera having fun. Headshot of male person working at home in the office.
Cheerful hipster young man posing and smiling at camera
Product and branding development
Portrait of confident businessman sitting on his desk. Smiling Businessman in the office.
Portrait of a businessman in the hall of a corporate building.
Smart - good looking senior caucasian white businessman speaking to the camera in his office, business man talking to camera on an online video conference.
A handsome optician eye specialist at work in his laboratory
Confident smiling businessman with arms crossed, 1950s style office.
Soviet army officer reads a book in his office. USSR. Circa 1943.
Free Images: "bestof:Strecker Adolph small.jpg Small photo of an Adolph Strecker portrait Tübingen dean's office http //www origin-life gr jp/2904/2904174/2904174 html Universität"
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