20s
academic
adult
background
beard
bearded
book
caucasian
education
educator
elegant
expression
eyewear
glasses
guy
hardcover
intelectual
isolated
knowledge
lecture
lecturer
lifestyle
literature
looking
male
man
notebook
novel
one
open
person
pose
posing
professor
read
reading
single
studio
study
studying
teach
teacher
teaching
vertical
white
wisdom
wise
young