Many of the photos in The Medium is the Massage come from Peter Moore, who was closely conntected with the Fluxus movment. (The post “Contextualizing The Medium is the Massage, pp. 94-96, 119” explains the significance of the Fluxus movement to the book.) For some information on Peter Moore and his connection with the Fluxus artists, see Barbara and Peter Moore Fluxus Collection Acquired by Harvard University Art Museums and his NYT obit.