T. J. Clark’s latest reflections on the complex topic of Modernism in the visual arts have been much anticipated. When he writes about a “retrospective” exhibition held by Pissarro late in his career, his words also apply to the appearance of this new book: “Pissarro knew only too well in 1892 that whatever he did in the present would be looked at comparatively, and put to the test of the 1870s” (56). The many self-reflexive...