On 15 June 1878, Eadweard Muybridge set up a line of cameras with tripwires, each of which would trigger a picture for a split second as the horse ran past. This settled a popular debate of the time that all four of a racehorse's hooves are off the ground simultaneously

Being a Victorian motion-picture pioneer can be thirsty work. Here, the groundbreaking photographer of the human body in action takes a moment off to pay attention to his own tastebuds

A photographic highlight selected by the picture desk. The pioneer photographer Eadweard Muybridge, born on this day in 1830, is famed for his studies in motion. They contributed to the development of moving film, and made scientific discoveries such as proving that horses lift all four hooves off the ground when galloping. The debate on whether elephants run, walk, or do both at the same time continues