A designer of yesterday's paper was improperly credited. The designer's name is Yvonne M. Wei.

A story in the January 26 issue was in error. While officials at the Chronicle of Higher Education said they had not received an advertisement for the directorship of the Expository Writing program, an ad did in fact run on January 12.

A story in yesterday's issue misidentified Bernard Trainor, a panelist at a Kennedy School forum on the Gulf War. Trainor is a former lieutenant general in the Marine Corps.