Author "Cost of Food," "Cost of Living," "Cost of Shelter," "Food Materials and Their Adulteration," etc., etc.; Chairman Lake Placid Conference on Home Economics.

MARY HINMAN ABEL

Author of U. S. Government Bulletins, "Practical Sanitary and Economic Cooking," "Sale Food," etc.

THOMAS D. WOOD, M. D.

Professor of Physical Education, Columbia University.

H. M. LUFKIN, M. D.

Professor of Physical Diagnosis and Clinical Medicine, University of Minnesota.

OTTO FOLIN, Ph. D.

Special Investigator, McLean Hospital, Waverly, Mass.

T. MITCHELL PRUDDEN, M. D., LL. D.