Here is the possible answer we have for Isaac author of the Foundation sci-fi book series Lunacross. LunaCross is a fantastic word puzzle game available for all platforms. This clue has appeared on LunaCross Level 50 Answers article. If you are looking for other LunaCross Levels Answers then we recommend you to visit our main page. Make sure to revisit our website because we will update all the answers.
Isaac author of the Foundation sci-fi book series Lunacross
ANSWER: ASIMOV