Keywords
35-39 years, access, caucasian, chemist, chemistry, classroom, color image, complex, complexity, computer, confident, connection, copy space, desk, education, experimenting, front view, holding, horizontal, indoors, intelligent, internet, knowledge, learning, lesson, looking at camera, man, mid adult, mid adult men, model, molecule, occupation, one person, online, paperwork, people, photography, portrait, posing, pride, professor, research, research & development, researching, school, science, scientific, shirt and tie, standing, teacher, teaching, technology, united kingdom, visual screen, waist up, whiteboard, york, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u13700237