This is from June 2008 when His Highness the Aga Khan was at Harvard to receive Honorary Doctor of Laws degree.
Dean Mohsen Mostafavi welcomed His Highness the Aga Khan (AB ’58) at the GSD on June 4 with a luncheon. Joined by his son, Prince Hussain; daughter-in-law, Princess Khaliya; and daughter, Princess Zahra, (AB ’94), His Highness the Aga Khan met with students and faculty participating in The Aga Khan Program for Islamic Architecture at Harvard University, M I T. Hashim Sarkis, Aga Khan Professor of Landscape Architecture and Urbanism in Muslim Societies at the GSD, cited the powerful impact the Aga Khan programs have had at the GSD, at Harvard, and MIT. His Highness the Aga Khan was in Cambridge to celebrate his 50th reunion and receive an honorary doctoral degree from Harvard University President Drew Faust for his outstanding service through the Aga Khan Development Network. The organization operates social, economic, and cultural entities, to particularly benefit the Third World.
Source: http://www.gsd.harvard.edu/news/archive/aga_khan_6.4.08.html