Junger bärtiger Mann Wissenschaftler oder Professor Geschäftsmann mit langem Bart in Jacke, Buch oder Notizbuch und Bleistift auf weißem Hintergrund isoliert - Stockfoto & -bild

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

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

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 on grey 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 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 at table 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 challenges and inspires. School concept. Teacher job - profession and learning concept

Professor in class on blackboard background. Academic success is much more about hard work than inborn talent. Knowledge day. Tutoring

Bearded professor at school lesson at desks in classroom. Education. Young teacher near chalkboard in school classroom. Friendly teacher in classroom near blackboard desk

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

Thinking man. Teacher or professor near blackboard. Thinking serious mature teacher. Mature professor, middle aged teacher, bearded man. Exam in college or university. Teachers day

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

Preparing for exam in college. Teacher preparing for university exams. Good teachers enjoy teaching. Young teacher near chalkboard in school classroom

Blank chalkboard with copy space. Portrait of a funny teacher or professor near blackboard. Thinking serious mature teacher. Mature professor, middle aged teacher, bearded man. Study concept