Boys Playing Leap Frog 1883-86, printed 1887 Eadweard Muybridge American, born Britain The more than seven hundred movement studies in Muybridge’s Animal Locomotion series range from methodical investigations of the torqued actions of men, women, and a veritable bestiary to compendia of the more banal actions of daily life. Progenitors of filmic technology, Muybridge’s sequences, often reconfigured for legibility rather than strict accuracy, were intended both for scientific scrutiny and artistic investigation.. Boys Playing Leap Frog. Eadweard Muybridge (British and American, Kingston upon Thames 1830-1904 Kingston upon Thames). 1883-86, printed 1887. Collotype. Photographs