Schulbildung und Wissenskonzept. Mann mit Bart auf weißem Backsteinhintergrund. Professor mit glücklichem Gesicht sitzt am Schreibtisch. Lehrer und Schulmaterial im Klassenzimmer. - Stockfoto & -bild

Portrait of male teacher from preschool or elementary school in class. Funny tutor

School education and knowledge concept. Teacher and school supplies in classroom. Man with beard on white brick wall background. Professor with serious face holds pencil

Tutor and school supplies in classroom. Studying and education concept. Professor with beard and glasses on white brick background. Man with happy and thoughtful face sits at desk with rolled paper

Portrait of male teacher from preschool or elementary school working at desk in class. Mature man sitting relaxing in a classroom looking at the camera

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

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

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

School education and knowledge concept. Teacher and school supplies in classroom. Man with beard on white brick wall background. Professor with serious face holds pencil

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

Face kid for magazine cover. Girl kids face portrait in your advertisnent. Kid and man at desk with school items. Back to school and science concept. Girl and teacher in classroom on white wall

Family stands by desk with school supplies. Classroom and home education concept. Girl and man in classroom on grey brick background. Schoolgirl with face covered and father with happy face hold toys

School and fathers day concept. Girl and dad on white brick background. Schoolgirl and man with proud and confused faces hold toy bear, book and microscope. Family stands by desk with school supplies

Sad businessman finished working day with alcohol. Alcohol addiction problem concept. A drunk business man in the office

End of the working day. Business man with beer bottle in hand

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

Man face handsome. Classroom and home education concept. Family by desk with school supplies. Schoolgirl and dad with thoughtful faces hold marker, ruler and book. Girl and father in classroom on