From the earliest cave paintings through to the internet & street art this inspiring book chronicles the 100 most influential ideas that have shaped the world of art. Arranged in broadly chronological order it provides a unique & compelling take on the history of art. The book shows how developments in materials (oil paint plastics paint in tubes) & technology (paper photography welding) have radically changed the way that art is produced. But these changes run parallel with influences from wider culture such as the study of optics & anatomy & more conceptual concerns such as chance & ephemerality. Each entry explores when an idea first evolved & how it has resurfaced in the work of different artists up to the present day. Lavishly illustrated with historical masterpieces & packed with fascinating contemporary examples this is an inspirational & wholly original guide to understanding the forces that have shaped world art.