His parents had insisted that he live with themin Somerville, said the student, who spoke oncondition of anonymity.

"He had a long walk on his commute to school,"Giroux said. "I'm not sure if he ever felt welcomeat Harvard, if he ever felt at home here."

"Even though he was an outstanding student,maybe he wasn't comfortable with being surroundedby people who weren't as sincere and compassionateabout their studies as he was," Giroux said.

"He was very gentle, very sensitive and couldbe hurt very easily," Giroux said.

Hansen is the second Harvard undergraduate tocommit suicide this year.

Dominic J. Armijo '95, of Kirkland House,killed himself on January 22.

Last week, Katherine Louise Tucker '94, also ofDunster House, who had stayed in Cambridge to takevoice lessons and sing with the Harvard-RadcliffeCollegium Musicum, committed suicide as well