Question: The Bragg–Gray cavity theory developed by Louis Harold Gray, William Henry Bragg, and a physicist that was a joint winner of the Nobel Prize in Physics in what year?
Sentence (from "William Lawrence Bragg"): Sir William Lawrence Bragg (31 March 1890 – 1 July 1971) was an Australian-born British physicist and X-ray crystallographer, discoverer (1912) of Bragg's law of X-ray diffraction, which is basic for the determination of crystal structure.
Relevant evidence: No