51.   The public will know which ones are the top universities and which are the middle level.

52.   The teen-ager also was charged with hacking into computer systems, many of them located at top American universities such as Harvard and Yale.

53.   Baylau, who speaks German, was educated at two top French universities and has the civil-servant status of an inspector of finance.

54.   Young researchers were recruited from top universities and they amassed a library of scientific and military information, some of it through their Russian followers.