Smith intends to work in educational programs for the victims of domestic violence in the Dominican Republic.
Walsh will travel to India to investigate human rights organizations and economic development.
This year, recipients of the Rockefeller scholarships were selected from among 40 applicants nominated by their House Fellowships advisors.
On Friday, about a month after applications for the fellowship were due, applicants were assigned Saturday morning interviews. They were notified about whether they had won the fellowship later that afternoon.