Which subject did Robin Williams' character teach in the film "Dead Poets Society"?

SlyOne🌹, That is miss Robin Williams . Capital in Miss Robin Williams is because it’s the first word after a full stop, not a titular form of address .

Kiwozzie, Mr. Robin Williams ❤️

O Captain, My Captain! Loved this movie. Miss Robin Williams, gone way too soon.

This is one of the questions that the longest answer is wrong