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Senior teacher standing holding a book in front of a bookcase
Portrait of a mature businessman reading a book in the library
The portrait of Jan Amos Komensky from 20 Czechoslovakian Koruna banknote isolated on a white background
Teacher, Professor, Senior Adult,   University,Library,Book,Senior,Men,60-69 Years, Photography
mature man with beard thinking and looking at camera on a white background
Medieval philosopher in search for inspiration on his desk.He is wearing a medieval costume and writing via quill.There are medium group of books and scrolls on the desk.Black and white photo shot with a full frame DSLR camera in studio.
Casual business man sitting at a table
John Amos Comenius (1592 - 1670) portrait from Czech money banknote
Elderly man with glasses working on a computer in his office
A professional businessman wearing a stylish suit and glasses is seen sitting in a comfortable chair, holding a book in his hand
A group of business people are using mobile devices in a meeting room.
Senior old man looking at camera with a background of shelves of old books as if in library of a stately home
Teacher, Professor, Senior Adult, University,Library,Book,Senior,Men,60-69 Years,40-49 Years,50-59 Years,Photography
Portrait of pensive middle age businessman thinking about business project at workplace, young businessman with pensive face expression daydreaming, closeup shot
One librarian man scanning documents on a small table modern scanner
suspicious man is planning something. He looks with discretion. Close up.
An elderly man holding his glasses, sitting in an old-fashioned office, reading multiple business books. The office features vintage furniture, wooden bookshelves filled with books, and a classic desk lamp, creating a scholarly and nostalgic atmosphere
Mature businessman with beard in eyeglasses, user on laptop computer and taking notes, sitting in outdoor cafe. Successful man sitting at table in cafe in nature Mobile office freelancer
University teacher posing for a portrait in an university library holding an eyeglasses.
Portrait of kind elderly man. Happy Caucasian man in eyeglasses with gray hair standing on bookshelves background looking at camera with joy. Education for mature people concept
Senior social business handsome casual happy man smiling. Portrait of a middle aged adult, older casual happy smiling, mature aged man with gray hair
Teacher, Professor, Senior Adult, University,Library,Book,Senior,Men,60-69 Years,40-49 Years,50-59 Years,Photography
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Eleftherios Venizelos a portrait from Greek money - Drachma
Mature businessman with beard in glasses wearing gray jacket holding folder with business documents is walking down the stairs leaving the business center
Senior businessman in office with glasses in hand.
Portrait of cheerful senior man preparing for courses. Happy gray-haired man in glasses studying IT technologies at university, reading in library and looking at camera. Adult people education concept
An elderly gentleman is writing something down in a planner
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