Noted 20th Century Science Fiction author on Earth. Assimov's stories were published by a magazine called Galaxy which competes with Incredible Tales magazine. (DS9 : Far Beyond the Stars).
Isaac Assimov was well-respected voice within the scientific community and is famous to most for being an outspoken supporter of cybernetics and creator of the Three Laws Of Robotics, intended to protect humans from androids or 'robots' as they were called then.