Keywords
40-45, 40-50, 45-50, 50-55, 50-60, 55-60, accessory, adult, asian, biology, caucasian, color, color image, colour, complex, connecting, connection, connexion, displaying, dna, example, exhibiting, expertise, fellow, fifties, fifty, forties, forty, front view, gentleman, goggles, guy, hispanic, holding, human, human being, indian, indian ethnicity, indoor, indoors, information, inside, intelligence, joining, knowledge, latin american, latin american and hispanic ethnicity, latino, looking at camera, male, man, mature, mature adult, mid life, middle age, middle aged, model, occupation, one, one person, only men, people, person, photography, portrait, portraiture, posing, sample, science, scientist, showing, specimen, standing, technology, thing, vertical, waist up, waist-up, western european, white coat, wisdom, work, 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, dm060707_023