Another person interviewed for the unused interview-prologue was this guy, who provided evidence in support of Feynman's interpretation of QED. This guy also, with Edward Teller, designed the TRIGA reactor still used at hospitals and universities to make research and medical grade nuclear isotopes. Light fluctuations found from stars KIC 8462852 and EPIC 204278916 have renewed interest in this man's 1960 idea outlined in the article "Search for Artificial Stellar Sources of Infrared Radiation". Identify this scientist likely best known for his idea of building megastructures in space to increase living space and harness more solar energy.
Freeman Dyson