Question: Which Welsh theoretical physicist and professor emeritus of physics at the University of Cambridge is the discovery of the supercurrent in SNS contacts is sometimes mistakenly attributed to
Sentence (from "Brian Josephson"): Brian David Josephson, {'1': ", '2': ", '3': ", '4': "} (born 4 January 1940), is a Welsh theoretical physicist and professor emeritus of physics at the University of Cambridge.
Relevant evidence: Yes