"Jonathan Vivian Rosenhead (born 21 September 1938) is a British mathematician, operational researcher and Labour Party activist."@en . . . "Jonathan Rosenhead"@en . . . . . . . . . . . . . . . . "62161979"^^ . . . . . . . . "1113116361"^^ . . . . . . . . . . . . "5143"^^ . . . . . . . . . . . . . . . . . . . . . "Jonathan Vivian Rosenhead (born 21 September 1938) is a British mathematician, operational researcher and Labour Party activist."@en . .