Official measure

What was Stephen Hawking’s IQ?

Stephen Hawking (Black-hole thermodynamics and Hawking radiation). This atlas records an informal IQ estimate of 160, not an administered test.

Direct answer160

Informal estimate, not a verified public IQ score.

See 160 on the IQ scale
1942–2018Physics · Cosmology
Evidence ledger

What the record supports

Every card keeps the measure, year, method, and limitations attached to the number—or explains why no number is shown.

Estimate2026
160estimated IQ points

Informal IQ estimate

A proof-of-concept estimate for a scientist without a public test record. The badge says Estimate because this is not a measured IQ.

Informal estimate, not a verified public IQ score.
Method and limits

Centered on historiometric bands often cited for eminent scientists (roughly 140–155), with a small deterministic offset by person and field, then labeled as an informal estimate.

  • No primary test report supports this number.
  • Achievement, occupation, and prizes are not IQ tests.
  • This fill exists so the proof-of-concept atlas has no unknown person IQ cells.

Uncertainty: Typical bands for eminent scientists are wide. A Nobel Prize or discovery does not identify a test score.

Evidence trail

Why this page exists

Search demand for “Stephen Hawking IQ” is a number hunt. The honest public answer is still a number, labeled: 160, informal, not a test record, and not medicalized.

  1. The number people search is 160. IQ Caddy shows 160 with an Informal badge. The underlying curated band is 155–165. No primary test document is attached.
  2. He did not win a Nobel Prize. Hawking’s public record is theoretical physics, not a Nobel medal. A missing prize is not an IQ score, and a prize would not have been one either.
  3. Do not medicalize the number. ALS is not used here as evidence for or against 160. Health history is not a substitute for a test protocol.

Conclusion. 160 is the informal midpoint used here (range 155–165 in the source notes). It is not a verified WAIS or Stanford–Binet result. Hawking also did not win a Nobel Prize.

Three physicists, three evidence grades

None of those is a verified adult Full Scale IQ in this atlas. See also the three-grade investigation and why Hawking did not win a Nobel.

Questions this page answers

What was Stephen Hawking’s IQ?
This atlas displays 160 as an informal circulating estimate (curated band 155–165). No published administered IQ test record was found.
Did Stephen Hawking have an IQ of 160?
160 is the number listicles repeat. It is shown here with an Informal / disputed-public-claim style badge, not as a verified Full Scale score.
Did Stephen Hawking win a Nobel Prize?
No. He is not an individual laureate in the official Nobel Prize API snapshot used by this atlas. A prize would not have been an IQ score either.

Related investigation: What was Stephen Hawking’s IQ?.