Robert Adam (1728–92) was a revolutionary artist and, unusually, he possessed the insight and bravado to self-identify as one publicly. In the first fascicle of his three-volume Works in Architecture of Robert and James Adam (published in installments between 1773 and 1822), he proclaimed that he had started a “revolution” in the art of architecture. Adam’s “revolution” was expansive: it comprised the introduction of avant-garde, light, and elegant architectural decoration; mastery in the design of picturesque and scenographic interiors; and a revision of Renaissance traditions, including the relegation of architectural orders, the rejection of most Palladian forms, and the embrace of the concept of taste as a foundation of architecture. In...