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Gustaf DalnNils Gustaf Daln (November 30, 1869 - December 9 1937) was a Swedish inventor and founder of AGA. Laureate for the Nobel Prize in Physics in 1912 for his work on automatic gas regulator controlled buoys. This particular award has sometimes been viewed with controversy. It was actually closer to the general terms of Nobel's will than most awards in physics. Daln made developments in acetylene chemistry to get a very bright light, developed safe storage methods, and then engineered a special valve that was controlled by the sun, so that the resulting buoys would only operate at night, prolonging their life to about a year. To a rugged coastal area like Scandinavia, these mass-produced long-lived minimal maintenance buoys were a significant boon to safety and livelihood. Daln was blinded in a gas explosion accident earlier the same year as he was awarded the prize. This has led to speculation that he was selected partly out of sympathy. Despite his blindness, Daln remained in control of AGA until 1937. Daln earned his Master's degree and a Doctorate at the Chalmers University of Technology. External link Daln, Gustaf Daln, Gustaf Dalen, Gustaf Dalen, Gustaf Dalen, Gustaf
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