
Philip Morrison
Philip Morrison was an American physicist and a prominent advocate for the search for extraterrestrial intelligence. He gained recognition for co-authoring a groundbreaking 1959 paper with Giuseppe Cocconi that articulated the potential for using radio waves to detect alien civilizations, a concept that has inspired decades of SETI research.
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Philip Morrison co-authored a paper in 1959 arguing that the hydrogen line would be a likely frequency for extraterrestrial communication.
The great silence: why haven’t we found any aliens yet? | Alien lifeThe Guardian·
United Kingdom· 2026-08-11











