. . . . "Economist and chess player" . . . "Kenneth Rogoff"@en . "Kenneth Saul \"Ken\" Rogoff (born March 22, 1953) is an American economist and chess Grandmaster. He is the Thomas D. Cabot Professor of Public Policy and Professor of Economics at Harvard University."@en . . . "1953Z"^^ . . . "1953-03-22Z"^^ . "Rogoff, Kenneth Saul"@en . . . .