In what year was Gustaf Dalén born?
1865
1867
1869
1871
Answer
Born in 1869, Gustaf Dalén was a Swedish engineer and inventor who revolutionized lighthouse technology. His most notable achievement was the invention of the AGA cooker, a highly efficient stove that used acetylene gas as fuel. Dalén's contributions to maritime safety and lighting earned him the Nobel Prize in Physics in 1912, making him the first Swedish laureate in that category.
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