Keywords
caucasian ethnicity, color, colour, culture, development, device, doctor, elderly man, folded hands, front view, grey hair, indoor, lab coat, lifestyle, looking at camera, male, man, medical professional, one person, portrait, posing, r & d, r & d matters, r&d matters, research, science, standing, stethoscope, studio shot, technology, vertical, waist up, white background, 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, u16154640