Gustaf Dalén
Swedish Nobel Laureate and industrialist (1869–1937)
- Fame60.2
- Momentum0.0
- Sweden rank#244
Source-basedFalling
- Fame60.2
- Momentum0.0
- Sweden rank#244
- Scientists rank#240
- Wikipedia2.5K
Lived 1869–1937, aged 68Sweden
SwedenSummary
Updated 2026-06-21
He won a Nobel Prize for making lighthouses turn themselves on and off — a feat of automated gas regulation that kept ships from crashing in the dark without anyone standing watch.
Biography
About
Nils Gustaf Dalén was born in Sweden on 30 November 1869, trained as an engineer, and turned his attention to a problem most people never considered: how to keep remote lighthouses burning reliably without constant human tending. His invention of automatic regulators for gas accumulators—devices that controlled when the flame lit and when it died—revolutionized maritime safety by letting beacons operate unattended. The work earned him the Nobel Prize in Physics in 1912. He died on 9 December 1937.
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Fame
Falling60.2
Composite of search demand, mentions, audience & graph footprint.
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Historical22.8
Source confidence60.0
Completeness70.0
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- WikidataHigh confidencewikidata · wikidata.org
- WikipediaHigh confidencewikipedia · en.wikipedia.org
- Pantheon 2.0High confidencedatabase · pantheon.world
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