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World-renowned astronomer and science communicator whose rigorous, evidence-based skepticism toward UFO claims shaped mainstream scientific attitudes toward the topic for decades.
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Science historian and founder of Skeptic magazine who has written extensively applying scientific skepticism to UFO, paranormal, and pseudoscientific claims.
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Retired video game programmer whose detailed technical analyses of viral UFO videos, published through his Metabunk forum, have become widely cited reference debunking sources.
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Aviation Week editor and electrical engineer who spent decades as the most prominent and often combative skeptical investigator of UFO claims in the United States.
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Longtime skeptical writer and investigator whose decades of case-by-case UFO debunking columns have made him one of the field's most consistent critical voices.
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Senior SETI Institute astronomer who has consistently distinguished the scientific search for extraterrestrial radio signals from UFO and UAP sighting claims, which he generally regards skeptically.