Jeune homme barbu beau scientifique ou professeur à longue barbe et lunettes de professeur avec un livre ou un bloc-notes assis à table sur fond clair - Photo & image de stock

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 with long beard and teacher glasses with 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 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 book or notepaper sitting at table 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

Man with chalk. hipster with long beard and hair on happy face in tie and white shirt write on textured beige wall background with raised finger, copy space, business and marketing, education

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

Businessman or bearded man with long beard and stylish hair on thoughtful face in tie and white shirt on beige background speaking on mobile phone, conversation and information

Thinking man. Portrait of a teacher or professor at classroom. Satisfied serious mature teacher. Mature professor, middle aged teacher man. Serious teacher, confident professor concept

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

Business man is thinking about something with pencil. Business dreams. Businessman in suit

Serious teacher holding laptop, teacher bearded professor with expression emotions face

Businessman or bearded man with long beard and stylish hair on smiling face in tie and white shirt hold laptop on textured beige background, digital marketing and business, agile business

Bearded man. hipster with long beard and stylish hair on surprised face in tie and white shirt on textured beige background, copy space