Keywords
60-64 years, african-american, african-american ethnicity, balding, chemistry, chemistry lab, confidence, engineering, engineering college, engineering school, focus on foreground, formal clothing, front view, happiness, indoors, lab coat, laboratory, looking at camera, massachusetts, needham, new england, norfolk county, north america, occupation, one man only, one person, one senior man only, portrait, professional occupation, professor, senior adult, smiling, toothy smile, usa, waist-up, 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, u53060051