An tman Visits Planet Earth is a science fiction story of a robotic person, Horatio, using a remarkably new form of energy to travel at just under the speed of light from his own planet, Ragnar k, to planet Earth 250 million years ago.
By a system of 3-D printing Horatio regenerates his body every million years, so that he is able to study the evolution of earth from the time of the dinosaurs, through their destruction; followed by the evolution of mammals till the present.
Rhbrown An Ätman visits planet earth: 250 million years of evolution, paperback/robert h. brown
