Keywords
1, 1960s, 1970s, adult, adults, alone, beaker, business, bw, caucasian, caucasian-ethnicity, chemical, chemist, classic, confidence, copy-space, discovery, experiment, flask, glass, hars, head-and-shoulders, high-tech, hold, holding, indoors, innovation, job, knowledge, l2492, lab, laboratory, liquid, look, looking, male, males, man, medical, medicine, men, mid-adult, mid-adult-man, mystery, nostalgia, nostalgic, occupation, occupations, old-fashion, old-fashioned, old-time, one, people, person, persons, pharmaceutical, portrait, progress, research, researching, retro, science, scientific, scientist, single, solutions, suburban, technology, test-tube, testing, vintage, work, worker, working, 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, l2492