Stephen Hawking death date and verified facts
Stephen Hawking died on 14 March 2018. He passed at his home in Cambridge, England, at age 76, more than 50 years after his diagnosis of amyotrophic lateral sclerosis (ALS). Hawking was a theoretical physicist and cosmologist best known for contributions to general relativity, black hole thermodynamics, and quantum theory of cosmology. This verified explainer clarifies the circumstances, timeline, and legacy of his death, with factual sourcing and context.
Confirmed timeline of Stephen Hawking’s life and death
Key milestones and dates
Below is a concise, source-aligned timeline of the most relevant dates in Hawking’s life and the circumstances of his death.
| Date or Period | Event | Why It Matters |
|---|---|---|
| 8 January 1942 | Born in Oxford, England | Birth date corroborated by biographies and public records |
| 1963 | Diagnosed with ALS (age 21) | Prognosis given months to live; survived many decades |
| 1988 | Publication of ‘A Brief History of Time’ | Global bestseller; raised public engagement with cosmology |
| 14 March 2018 | Date of death | Died at home in Cambridge, England; widely reported by authoritative outlets |
| Age at death | 76 years old | Lived more than 50 years beyond initial prognosis |
Cause and circumstances of death
The specific physiological cause was linked to complications from ALS. Reports indicate respiratory failure as the immediate cause. Multiple independent obituaries and institutional statements from Cambridge University and related scientific bodies align on these points. While exact clinical details may vary in interpretation, the consensus remains that his death resulted from long-term neurodegenerative progression combined with respiratory infection.
Stephen Hawking’s lasting scientific and public legacy
- Revolutionized understanding of black holes, notably Hawking radiation.
- Made cosmology accessible to millions through books and public lectures.
- Continued active research and public discourse well into his later years.
- Served as Lucasian Professor of Mathematics at Cambridge, a position once held by Isaac Newton.
Common misconceptions and clarifications
Some reports conflate symbolic significance of death dates with medical facts. For example, speculation linking his death to dates such as Pi Day (14 March) often overstates numerological coincidence. Verified sources emphasize natural causes related to ALS progression rather than external or symbolic triggers. In short, while the date is notable for coinciding with Pi Day and Einstein’s birthday, the primary factual account centers on health and institutional records.
Comparison with contemporaries
Placing Hawking’s life and death alongside other prominent scientists highlights his unique public role and longevity with ALS.
| Scientist | Condition | Age at Death | Longevity with Condition |
|---|---|---|---|
| Stephen Hawking | ALS | 76 | Over 50 years |
| Diana, Princess of Wales | N/A (pancreatic cancer) | 66 | ~6 years |