"... Realism required that the nude should be depicted in a situation of credible
reality and not artificially posed as some character of fable. Impressionism no
doubt contributed the idea that just as the landscape painter caught transient
effects of light so it was possible to catch natural and transient phases of
movement in the living model. The credible reality was usually that of bathers in
the open. Degas made a logical enlargement of his field of study in depicting
women in various stages of undress at their toilet or getting into and out of le
tub..."