| Sci-fi master |
| Isaac of sci-fi |
| Giant of sci-fi |
| Polymathic Isaac |
| Nemesis" novelist |
| 'I, Robot' writer |
| Big name in sci-fi |
| Foundation" author |
| Famed sci-fi writer |
| Sci-fi master Isaac |
| Sci-fi author Isaac |
| ''I, Robot'' author |
| Sci-fi writer Isaac |
| Author of 500+ books |
| Author of 450+ books |
| Isaac, sci-fi writer |
| Foundation" novelist |
| Heinlein contemporary |
| Prolific writer Isaac |
| Popular science writer |
| I, Robot" author Isaac |
| He, Isaac, of "I, Robot |
| Science fiction pioneer |
| Nightfall" story writer |
| Foundation" author Isaac |
| Big name in sci-fi books |
| Foundation's Edge" author |
| Big name in sci-fi novels |
| Pebble in the Sky" author |
| Isaac who wrote "I, Robot |
| Foundation Trilogy" author |
| Foundation" trilogy writer |
| The Caves of Steel" writer |
| The Robots of Dawn" writer |
| The Robots of Dawn" author |
| Earth Is Room Enough" author |
| The Stars, Like Dust" author |
| Science-fiction writer Isaac |
| The Currents of Space" author |
| ''The End of Eternity'' author |
| ''The Naked Sun'' author Isaac |
| Foundation's Edge" author Isaac |
| The Robots of Dawn" author Isaac |
| Author of "Three Laws of Robotics |
| The Gods Themselves" author Isaac |
| Author of the Three Laws of Robotics |
| Puzzles of the Black Widowers" author |
| Creator of the Three Laws of Robotics |
| Prolific science fiction author Isaac |
| One of the Big Three of science fiction |
| The Solar System and Back" author Isaac |
| He wrote guides to Shakespeare and the Bible |
| Author who devised the "Three Laws of Robotics |
| Isaac who wrote himself into "Murder at the ABA |
| Author of 1980's "The Annotated Gulliver's Travels |
| Author of the "Black Widowers" series of mysteries |
| Sci-fi author who was also a biochemistry professor |
| Author Isaac who sported enormous white mutton chops |
| Writer after whom an asteroid and Mars crater are named |
| Science fiction writer who formulated the Three Laws of Robotics |
| Writer who said "I am not a speed reader. I am a speed understander |
| Those people who think they know everything are a great annoyance to those of us who do" quipster |