Still from animated sequence of a Belgian horse walking. Photos taken by <a href="//commons.wikimedia.org/wiki/Eadweard_Muybridge" title="Eadweard Muybridge">Eadweard Muybridge</a> (died 1904), first published in 1887 at Philadelphia (Animal Locomotion). Animation by <a href="//commons.wikimedia.org/wiki/User:Waugsberg" title="User:Waugsberg">Waugsberg</a>, 2006-10-3. (The sequence is set to motion using frames of Human and Animal Locomotion, plate 563, "Dusel" hauling, broken log chain)
Eadweard Muybridge, <a href="//commons.wikimedia.org/wiki/User:Waugsberg" title="User:Waugsberg">Waugsberg</a>, <a href="//commons.wikimedia.org/wiki/User:Mosmas" title="User:Mosmas">Mosmas</a>
Eadweard Muybridge himself.