Muybridge, Eadweard (English/American, 1830-1904), Title: Bareback Rider on Horse (The Horse in Motion) [from Animal Locomotion: Plate 634], 1887,  Medium: vintage collotype printed, 13.75 x 19.5 inches, unframed, Motion Study, Stop-Motion, Sequencing: Muybridge engaged in a systematic study of movement, breaking new ground in science and the emerging art form of photography. Each plate shows the same subject in sequential phases of one movement, like a horse galloping. Animal Locomotion contained 781 plates comprised of 20,000 photographs.