Photo: Dona Mapston · CC BY-SA 3.0 · Wikimedia Commons

Born in United States · Nationality American — Science / intellectuals / activism

Kary Mullis

Documented profile covering 5 controversies, including “Denial of causal link between HIV and AIDS” and “Rejection of human responsibility for climate change”.

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Profile No. 2588 · Updated on 12 October 2026

5Documented controversies

4Sources

0Formal charge · all time

0Conviction

§ Legal statuses reflect the documented sources as of the date shown; they replace neither court decisions nor the presumption of innocence. Counts are not a rating. Methodology

I. Documented controversies

1990s-2019

Denial of causal link between HIV and AIDS

No legal proceedings

Mullis publicly claimed that there was no convincing evidence that HIV caused AIDS and became a prominent supporter of Peter Duesberg's theories. His prestige as a Nobel laureate gave this position substantial visibility.

Attribution: Personally implicated

Sources · 2

[1]
Full FactPCR inventor Kary Mullis quote doesn’t prove the tests are uselessFact-checkHigh reliability
[2]
GEN / SAGEFrom the Editor in Chief: Kary B. Mullis, an Off-Center Personality, Was on the Mark Where It CountedAcademic publicationHigh reliability

Last verified: 15 September 2026

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1990s-2010s

Rejection of human responsibility for climate change

No legal proceedings

Mullis claimed that human-caused global warming was greatly exaggerated or represented a narrative fuelled by institutional and financial interests in research.

Attribution: Personally implicated

Sources · 2

[1]
GEN / SAGEFrom the Editor in Chief: Kary B. Mullis, an Off-Center Personality, Was on the Mark Where It CountedAcademic publicationHigh reliability
[2]
National GeographicThe eccentric scientist behind the ‘gold standard’ COVID-19 testPressHigh reliability

Last verified: 15 September 2026

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1990s

Scepticism over ozone layer depletion

No legal proceedings

Mullis also disputed the prevailing interpretation of data on ozone layer depletion and suspected scientific institutions of exaggerating the problem.

Attribution: Personally implicated

Sources · 1

[1]
GEN / SAGEFrom the Editor in Chief: Kary B. Mullis, an Off-Center Personality, Was on the Mark Where It CountedAcademic publicationHigh reliability

Last verified: 15 September 2026

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1990s

Professional presentations featuring images of naked women and sexist remarks

No legal proceedings

Profiles and colleagues' accounts describe Mullis using images of naked women in scientific presentations and making remarks journalists considered sexist, contributing to his reputation as a provocative and difficult scientist.

State of the evidence: Reported by the press
Attribution: Personally implicated

Sources · 1

[1]
National GeographicThe eccentric scientist behind the ‘gold standard’ COVID-19 testPressHigh reliability

Last verified: 15 September 2026

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1985-1986

Dispute with Cetus and colleagues over scientific credit for PCR development

No legal proceedings

Following his conceptual invention of PCR, Mullis clashed with Cetus colleagues over publication and the allocation of credit. In particular, he complained that publications concerning applications diluted his contribution, while his colleagues emphasised the collective nature of developing the method.

State of the evidence: Documented
Attribution: Directly implicated

Sources · 2

[1]
PMC / Journal of Biomedical Discovery and CollaborationThe effects of business practices, licensing, and intellectual property on development and dissemination of the polymerase chain reaction: case studyAcademic publicationVery high reliability
[2]
National GeographicThe eccentric scientist behind the ‘gold standard’ COVID-19 testPressHigh reliability

Last verified: 15 September 2026

Add to this entry

II. Constellation of documented links

Linked profile (portrait or initials) — click to open it
Line width: number of documented references
Hover over or tap a line: controversies and sources

Two profiles are linked when a documented controversy of one names the other. The link points to that controversy and its sources; it does not indicate a personal relationship.

List of documented links (1)

Peter Duesberg1 documented reference
- Denial of causal link between HIV and AIDS Source ↗

III. Has something changed?

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