Dr. Marc D. Rayman, Chief Propulsion Engineer, NASA, JPL, discusses how StarTrek inspired him to create in real life what he saw on the show. HOW WILLIAM SHATNER CHANGED THE World reveals how scientists who were inspired by Star Trek as children are surpassing the science fiction vision of the future foreshadowed in the program. The two-hour High Definition special explores how much of the sci-fi of Star Trek now permeates everyday life and advanced science. Hosted and narrated by William Captain Kirk Shatner and based on his book Im Working On That. Credit: Dr. Marc D. Rayman/NASA/Handel Productions