General Medical Officer and Director of Bacteriological Laboratories, New York City Department of Health; Professor of Clinical Medicine in University and Bellevue Hospital Medical College; Visiting Physician to Bellevue, St. Vincent's, Willard Parker, and Riverside Hospitals.

The Eye and Ear

J. Herbert Claiborne, M.D.

Clinical Instructor in Ophthalmology, Cornell University Medical College; Former Adjunct Professor of Ophthalmology, New York Polyclinic; Former Instructor in Ophthalmology in Columbia University; Surgeon, New Amsterdam Eye and Ear Hospital.

Sanitation

Thomas Darlington, M.D.

Health Commissioner of New York City; Former President Medical Board, New York Foundling Hospital; Consulting Physician, French Hospital; Attending Physician, St. John's Riverside Hospital, Yonkers; Surgeon to New Croton Aqueduct and other Public Works, to Copper Queen Consolidated Mining Company of Arizona, and Arizona and Southeastern Railroad Hospital; Author of Medical and Climatological Works.

Menstruation

Austin Flint, Jr., M.D.

Professor of Obstetrics and Clinical Gynecology, New York University and Bellevue Hospital Medical College; Visiting Physician, Bellevue Hospital; Consulting Obstetrician, New York Maternity Hospital; Attending Physician, Hospital for Ruptured and Crippled, Manhattan Maternity and Emergency Hospitals.