Elderly male scientist with pen in hand pondering solution to problem
Size: 3648px × 5472px
Photo credit: © Kisialiou Yury / Alamy / Afripics
License: Royalty Free
Model Released: Yes
Keywords: academic, adult, analyze, auditorium, blackboard, business, businessman, ceo, chalkboard, classroom, clever, college, communication, conference, confident, copyspace, corporate, creativity, dressed, education, executive, explaining, expression, gesturing, inspiration, intelligence, knowledge, learning, lecturer, man, mature, occupation, people, person, presentation, professor, school, science, scientist, seminar, senior, sixties, status, successful, suit, teacher, teaching, tie, university