Diane Arbus (March 14, 1923 – July 26, 1971) was an American photographer and writer noted for black-and-white square photographs of “deviant and marginal people (dwarfs, giants, transvestites, nudists, circus performers) or of people whose normality seems ugly or surreal.”A friend said that Arbus said that she was “afraid… that she would be known simply as ‘the photographer of freaks'”; however, that phrase has been used repeatedly to describe her.
In 1972, a year after she committed suicide, Arbus became the first American photographer to have photographs displayed at the Venice Biennale.Millions of people viewed traveling exhibitions of her work in 1972-1979. From Wikipedia.
All the images shown are from the book Untitled simply because that is the one book of hers I own. I believe they are some of the last she captured before she took her own life. The book was compiled after her death.