One of America's leading constitutional experts, Charles G. Haines, professor of Political Science, University of California, will join the Government staff during the fall months, to give instruction in the development of constitutional principles in the United States. Dr. Haines has taught political science for thirty years, during 1906-25 at Ursinus College, Whitman College, and the Universities of Texas and Chicago; and since 1925 at his present post. His outstanding works include "Conflict over Judicial Powers of the United States to 1870," 1909; "American Doctrine of Judicial Supremacy," 1914; "Principles and Problems of Government," 1921; and "Revival of National Law Concepts," 1920.

To assist in inaugurating the new program of professional training for administrative work in secondary schools opening this fall in the Graduate School of Education, Dr. Charles W. Knudsen will temporarily leave his post as professor of Secondary Education at the George Peabody College for Teachers, Nashville, Tenn. He will give courses preparing students for the work of the principal or headmaster of a secondary school.

Another Hellenist

As Lecturer on Avestan in the first half year Harvard will have Herbert P. Houghton, since 1923 professor of Greek and Sanskrit at Carleton College. Before going to Carleton, Dr. Houghton was President of Waynesburg College 1915-18; and President of Carrol College, Wisconsin, 1918-20. At the age of forty, he was ordained as a minister in the Protestant Episcopal Church, and in 1923-29 was rector of All Saints Church, Northfield, Minn.

A former Harvard student, Bernard O. Koopmann '22, Ph.D. '26, now assistant professor of Mathematics at Columbia, will return for the school year as Lecturer on Mathematics. In Psychology, Harvard will have another distinguished visitor in the person of Dr. Heinz Werner, of the University of Hamburg, last year a Lecturer at the University of Michigan. Dr. Werner's special field of research has been in various aspects of the psychology of the senses and of speech. His courses this year will cover the "Psychology of Personality," "Developmental Psychology," and "Social Psychology."

Victor Returns

Two of last year's visiting professors at Harvard will return in the same capacity this fall. Karl Victor, professor of German Philology at the University of Glessen, Germany will be Kuno Francke Professor of German Art and Culture during the first half year, giving courses on "German Literature Since 1900," and on "The German Naturalists."

Willy Harinet, Lecturer at Frankfort University, Germany, whose field is the history of natural sciences, especially astronomy among the peoples of the Orient, the Near East, and Central America, will again be lecturer on the History of Science. Dr. Harinet is included in the faculty members giving courses in the new doctorate field "History of Science and Learning Infliated last year by President James B. Conant.