. . "1954-04-29" . . "Chris Rogers (mathematician)" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "1954" . . . . . . "Chris Rogers" . . . . . . . . . . . . . . . . . . . . . "L. C. G. Rogers" . . . . . . . "Chris Rogers (mathematician)" . . . . . . . .