The Harvard Summer School lecture series will begin today with a speech given by A. Richard Diebold, Jr., assistant professor of Social Anthropology, Diebold will speak on "The Relevance of Linguistic Analysis to Behavorial Science" at 4 p.m. in Burr Hall B.

"The U.A.R. and the Arab World," an international Seminar Forum, will be given on Wednesday at 3 p.m. Mounir Nassif, the Foreign News Editor of the Akhbar El Yom Publishing House, will moderate.

The Thursday Afternoon Lecture Series will begin this Thursday. Krister Stendahl, Frothingham Professor of Biblical Studies, will speak on the "Future of Christianity" at 4 p.m. in Burr B.