Those Who Write

DR. D. C. JARVIS
In this issue of Nutrition and Dental Health, Dr. Jarvis presents a most interesting discussion on the color changes in mucous membrane and their indications of systemic disturbances.

Dr. Deforest Clinton Jarvis was born in Plattsburg, New York, March 15th, 1881, and began his education in the public schools of Burlington, Vermont. Later he was graduated from the University of Vermont Medical College in 1904 and began internship in Mary Fletcher Hospital, Burlington, Vermont, where he gave 18 months of service. Dr. Jarvis was formerly consultant to the Department of Industrial Hygiene, United States Public Health Service, and has given extensively of his time as a consultant to the United States Veteran’s Bureau on Dust Diseases of the Lungs.

Among his professional affiliations are the following:–Otolaryngologist, Barre City Hospital; Member Vermont State Medical Society; American Medical Association; American Academy of Ophthalmology and Otolaryngology; Member of American Laryngological, Rhinological and Otological Society; Member American Otological Society; Member American Laryngological Association.

DR. S. JOSEPH BREGSTEIN
Dr. S. Joseph Bregstein presents an article on other pages of this issue dealing with the pH changes in the saliva and the relationship of these changes to dysfunction.

Dr. Bregstein is a graduate of the New York College of the Dentistry, member Sigma Epsilon Delta Fraternity, former Attending Periodontist to Samaritan Hospital, and Unity Hospital of Brooklyn, New York, and also to the Hospital for joint Diseases, New York City. He is the author of “Business Conduct of an Ethical Practice,” and contributing author to Schweitzer’s “Preparation Manual Accident Cases.”