Question: Who invented the AGA cooker and was instrumental to the success of AGA AB?
Sentence (from "AGA cooker"): Originally heated by slow-burning coal, the Aga cooker was invented in 1922 by the Nobel Prize–winning Swedish physicist Gustaf Dalén (1869–1937), who was employed first as the chief engineer of the Swedish AGA company (Swedish "Aktiebolaget Svenska Gasaccumulator", English "Swedish Gas Accumulator, Limited").
Relevant evidence: Yes