The Political Theory of Possessive Individualism (1962) Notable ideas: Possessive individualism: Crawford Brough Macpherson OC FRHistS FRSC (1911–1987) was an influential Canadian political scientist who taught political theory at the University of Toronto Life. Macpherson was born on 18 November 1911 in Toronto, Ontario ...

Its: a possessive adjective and pronoun of the personal pronoun it. The cat chased its tail. (correct) The tyre lost it's grip. (wrong) It's: a contraction of the verbal phrase it is or it has. It's mine. (correct; check: It is mine) It's been here. (correct; check: It has been here) The cat chased it's tail. (wrong; cannot be expanded to it is)