Release Date: June 19, 1878 Country of Origin: USA Eadweard Muybridge created a set of cabinet cards called The Horse in Motion. Each card features six to twelve "automatic electro-photographs" that represent different stages of a horse's movement, captured in June 1878.  The single image of the horse "Occident" trotting quickly, which had already been published in 1877, was replicated on another card. The Sallie Gardner by Eadweard Muybridge version was released on June 19, 1878 about four days after the original shot film Abe Edgington horse driven by C. Marving rotting at a 2-24 gait over the Palo Alto track released on June 15, 1878 The series became the first instance of chronophotography, an early technique for taking pictures of time that was primarily employed to record the many stages of movement for scientific research.  It constituted a crucial phase in the evolution of motion pictures.  One of the cards has even been referred to be "the...