The Ego Machine is science fiction story by Henry Kuttner. Excerpt from the book: "Was your mother's name Helena Glinska?" the robot asked. "It was not," Martin said. "Ah, then she must have been the Great Hairy One," the robot murmured. Martin took his feet off the desk and sat up slowly. "It's quite all right," the robot said hastily. "You've been chosen for an ecological experiment, that's all. But it won't hurt. Robots are perfectly normal life forms where I come from, so you needn't—"