Leonid Krasin was an engineer in the former Soviet Union proposed freezing the body of Lenin to return to life when out scientific and technologically feasible. It was part of the so-called "Commission for immortalization." And it is precisely the new and fascinating essay by John Gray: human obsession transcend mortality. If on one hand the Victorian psychic researchers sought to demonstrate in a scientific way the existence of the soul and it is served strange seances in which automatic writing texts interconnected to no contact with the magma would like unconscious later the surrealists, but in the hereafter, the "god-builders" of the Soviet Union, for its part, did not seek evidence of life after death, but deify humanity through art and reason, creating a new man free from all imperfection. But to kill death it would have to kill the man first. And she did, ruthlessly, efficient machine of Soviet death. Spiritualism, Bolsheviks, Darwin, double agents, quirky English teachers, otherworldly presences, secret societies, Stalin, aliens, posthumous messiah and the mummy of Lenin ... A gallery of characters and situations in a decent novel, if not already belong to that novel insurmountable and that is the story that held by John Gray results in a lucid and fascinating essay on the need-and has always been the man is through religion or science to believe in immortality. Actually, Gray says, it is a deep fear of the uncontrollable, to the contingency that governs the destiny of all human beings and should be accepted with humility: "The past is like utopia, a place where no He wants to live."