Portrait of male teacher working at desk in class. Tutor, professor, mentor man at desk. Studying, learning, training concept - Stock Photo & Image

Teacher working at desk. Portrait of thinking male teacher, professor, tutor, mentor in school classroom

Portrait of male teacher working at desk in class. Tutor, professor, mentor man at desk. Studying, learning, training concept

Man with beard on white brick wall background. Education and knowledge concept. Teacher and school supplies in classroom. Professor with busy face expression sits at desk and prepares for lesson

Portrait of thinking male teacher in school classroom. Teacher sitting on desk writing text in book at school classroom

Portrait of serious teacher in school classroom. Tutor, professor, mentor man at desk. Studying, learning, training concept

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Teacher and school supplies in classroom. Alternative education and knowledge concept. Man with beard on white brick wall background. Professor with serious face sits at desk.

Teacher and school supplies in classroom. Education and knowledge concept. Professor with busy face expression sits at desk and writes. Man with beard on white brick wall background

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Young handsome bearded man scientist or professor with long beard and teacher glasses with book or notepaper sitting at table with wooden cubes isolated on white background

Young handsome bearded man scientist or professor with long beard and teacher glasses with book or notepaper sitting at table with wooden cubes isolated on white background

Handsome businessman man hipster with beard and bare feet works on laptop in modern office with microscope and board for copy space on white background

Portrait of male teacher teaching line of high school students with computer laptop in classroom on blackboard. Education and knowledge concept