In 1912, Nils Gustaf Dalén won the Physics Noble Prize.
Date of Birth: 30 November 1869.
Died: 9 December 1937.
Nationality: Swedish.
Education: Chalmers University of Technology, Polytechnikum, Zürich.
Known as: Sun valve and other lighthouse regulators.
Awards: Nobel Prize in Physics (1912).
Fields: Physics, Mechanical engineering.
