The document provides an overview of several key movements and artists that influenced or were part of Impressionism in the late 19th century. It discusses the Pre-Raphaelite Brotherhood, the Barbizon School, and gives timelines and descriptions of important Impressionist works and artists such as Manet, Monet, Renoir, Morisot, Pissarro, Degas, Whistler, and Cassatt. It also briefly mentions the sculptor Rodin and the influence of Japanese woodblock prints on European artists.