Edward Eng Wah, D.M.D. (1931?-2008) is a 1957 graduate of the University of Oregon Dental School (now OHSU School of Dentistry). This interview focuses on the history of the Kam Wah Chung mercantile and clinic in John Day, OR and Ing "Doc" Hay, a Chinese herbalist who ran the clinic. Wah is the great grandnephew of “Doc” Hay and grew up in John Day after his family relocated there to assist Hay upon the death of his business partner, Lung On. "Doc" Hay and Lung On emigrated to the town from China in 1888 and set up Kam Wah Chung as a general store and herbal medicine practice. After graduating from dental school, Wah returned to John Day to practice for 7 years and support his father after the death of his mother. Kam Wah Chung is now an Oregon State Heritage and National Historic Landmark Site.
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