This year marks the 40th anniversary of Ridley Scott‘s “Alien,” a cinematic behemoth that influenced the next four decades of science fiction and horror. And because of this milestone, many fan tributes will pour in, as will countless opinion pieces detailing its lasting impact. That being said, one cannot see a more thorough and invigorating dissection of the classic being released than “Memory: The Origins of Alien,” Alexandre O. Philippe’s feature-length analysis of the DNA that molded “Alien” into the horror masterpiece that it is known as today.