2022, after 9 years in Tauranga they returned to Christchurch, where they now reside. Kerr was a notable bridge player representing New Zealand internationally in the mid-1970s. He was co-author of the Symmetric Relay System, a bidding system in contract bridge. References External links Professor Roy Kerr University of Canterbury: Roy Kerr Man of Mystery Roy Kerr Marcel Grossmann meetings Kerr Fest & CV The Kerr Spacetime Kerr family history 1934 births Living people People from Kurow 20th-century New Zealand mathematicians Alumni of Trinity College, Cambridge Companions of the New Zealand Order of Merit Relativity theorists Fellows of the Royal Society of New Zealand Syracuse University alumni University of Canterbury alumni Recipients of the Rutherford Medal New Zealand contract bridge players People educated at St Andrew's College, Christchurch Donegall Lecturers of Mathematics at Trinity College Dublin Albert Einstein Medal recipients Fellows of the Royal Society