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Troubled young bearded caucasian businessman wearing a white shirt sitting with pen near his face and thinking looking sideways. A blackboard background with a physics formulae on it.
Keywords:
men
education
teaching
studying
adult
mathematical symbol
wisdom
indoors
caucasian ethnicity
teacher
blackboard
businessman
intelligence
concentration
problems
standing
science
looking at camera
algebra
student
formula
classroom
young adult
mathematics
males
beard
shirt
physics
scientist
portrait
professor
solution
learning
one person
person face with pen
mathematical formulas white background
physics teacher
man standing looking sideways
white male student thinking
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