Senior scientist standing in front of chalkboard. Success, intelligence, learning concept.
Palabras clave
blackboard,
aged,
education,
mentor,
wise,
male,
educator,
thinker,
expert,
senior,
whiteboard,
researcher,
academic,
idea,
instructing,
experienced,
scientist,
intelligent,
lecturing,
smart,
prof,
research,
schooling,
genius,
thinking,
insight,
brainstorm,
tutor,
old,
brainy,
discovery,
elder,
lecturer,
cognition,
board,
pensive,
brain,
study,
background,
teaching,
teacher,
wisdom,
classroom,
cognition,
lecture,
learn
){kind=link}