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UAP LEDGER

Hal Puthoff

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Physicist

Physicist and former government contractor connected to AATIP-era research and advanced propulsion studies.

Harold "Hal" Puthoff is an American physicist, founder of EarthTech International, and a longtime government and intelligence-community contractor.

What is Hal Puthoff's connection to UAP research?

Puthoff was involved in the AATIP era through Bigelow Aerospace Advanced Space Studies (BAASS), which held a Defense Intelligence Agency contract, and contributed to studies of advanced propulsion and materials. He later served as a vice president of science and technology at To The Stars Academy.

What is Puthoff's background?

Earlier in his career, Puthoff co-directed government-funded research into remote viewing at SRI International. He holds a physics doctorate and has published on energy and propulsion physics.

Why is Puthoff a notable figure?

He links the modern UAP effort to decades of fringe-adjacent government research, and his theoretical work is frequently cited in discussions of exotic propulsion.

Notable Testimonies

  • Advanced aerospace research briefings

Frequently Asked Questions

EarthTech International is a research organization founded by physicist Hal Puthoff that studies advanced energy and propulsion concepts relevant to UAP discussions.