Jonge knappe bebaarde man wetenschapper of professor met lange baard en leraar met boek of briefpapier zittend aan tafel met houten kubussen bril geïsoleerd op witte achtergrond - Stockfoto’s en -afbeeldingen

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 pencil and book or notepaper sitting at table on light 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

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 red book or notepaper sitting at table with wooden cubes on light background

Young handsome bearded man scientist or professor businessman with long beard in jacket holding book or notepaper and pencil 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

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

Teachers day - knowledge and educational school concept. Young bearded teacher near chalkboard in school classroom. World teachers day

Teachers day - knowledge and educational school concept. Young bearded teacher near chalkboard in school classroom. Tutoring

Man teaching near chalkboard in classroom. Exam in college or university. Teacher or professor at classroom. Satisfied serious mature teacher. Mature professor, middle aged teacher man

Teacher preparing for university exams. Portrait of male University Student indoors. Exam in college. Preparing for exam in college

World teachers day. Teachers day - knowledge and educational school concept. Friendly teacher in classroom near blackboard desk

Handsome attractive business man having raised pen and notebook in hands, isolated on white background

Crazy bearded programmer with tousled hair shouts sitting at office desk with laptop at workplace

Young bearded man listening stethoscope computer sitting at table with microscope indoor