Dalton Ludwick with Bill Nye Dalton Ludwick, Ph.D., flew out to California in late July 2017 to appear in season three of Bill Nye Saves the World. Here, Ludwick is pictured on set next to Bill Nye himself. (Photo credit: Sanden Totten) Leave a Reply Cancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed. Search Search for... Search Get New Posts in your Inbox! Enter your email address to subscribe to Entomology Today. You'll receive notifications of new posts by email. Email Address Get Certified!