AKA Nils Gustaf Dalén

Born: 30-Nov-1869
Birthplace: Stenstorp, Sweden
Died: 9-Dec-1937
Location of death: Stockholm, Sweden
Cause of death: unspecified
Remains: Buried, Lidingö Kyrkogård, Lidingö, Sweden

Gender: Male
Race or Ethnicity: White
Sexual orientation: Straight
Occupation: Inventor

Nationality: Sweden
Executive summary: Automatic sun valve

Inventor of a sun valve, which operated as a switch to turn on a light during the hours of darkness. This invention was used extensively for buoys and lighthouses, almost immediately. Another invention of his was Agamassan, a substrate used to transport acetylene. He was chief engineer at Gas Accumulator Company (manufacturer and distributor of acetylene), and later rose into a management position. An accidental explosion blinded him in September 1912.

Brother: Albin (ophthalmologist)
Wife: Elma Persson (m. 1901, two sons, two daughters)
Son: Gunnar (engineer)
Son: Anders (physician)

    University: MA, Chalmers University of Technology
    University: PhD, Chalmers University of Technology

    Nobel Prize for Physics 1912
    Shrapnel Injury
    Risk Factors: Blindness

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