. "1948-06-28Z"^^ . . . . . "Kenneth Alan \"Ken\" Ribet (born June 28, 1948) is an American mathematician, currently a professor of mathematics at the University of California, Berkeley. His mathematical interests include algebraic number theory and algebraic geometry."@en . "American mathematician" . . . "Kenneth Alan Ribet"@en . . . "1948Z"^^ . . "Ribet, Kenneth Alan"@en .