Gustaf Dalén
Swedish Nobel Laureate and industrialist (1869-1937) · Sweden · Scientists · Died at 68
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Something wrong?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.
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About this person
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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