Gustaf Dalén
Nils Gustaf Dalén (; 30 November 1869 – 9 December 1937) was a Swedish engineer and industrialist who was the long-term CEO of the AGA company and inventor of the AGA cooker and the Dalén light. In 1912, he was awarded the Nobel Prize in Physics for his "invention of automatic regulators for use in conjunction with gas accumulators for illuminating lighthouses and buoys". Provided by Wikipedia-
1