Freeman Dyson may be gone, but his famous alien-hunting idea will likely persist far into the future. 
Source: https://www.livescience.com/freeman-dyson-sphere-sci-fi-seti-legacy.html
Only the Autodidact is Free
Freeman Dyson may be gone, but his famous alien-hunting idea will likely persist far into the future.
Source: https://www.livescience.com/freeman-dyson-sphere-sci-fi-seti-legacy.html