math teacher uses globe as hat stand

19201929 5559 adult and anger angry authority bw black blackboard book chin class classroom cleft desk education fashioned frown frowning funny glasses globe hat historical knowledge lecture length looking male man math mature nostalgia nostalgic old oldfashioned one ovp2012 ovthirdset person pincenez portrait professor quarter retro serious spectacles stand standing strict teacher three top usa vertical vintage visuals white years