The Time Machine
 The Time Machine is a science fiction novella by H. G. Wells published in 1895. Although Wells is generally credited with the popularisation of the concept of time travel by using a vehicle that allows an operator to travel purposefully and selectively The Clock That Went Backward by Edward Page Mitchell was published in 1881 and involves a clock that allows a person to travel backwards in time. The term time machine coined by Wells is now universally used to refer to such a vehicle.