Physician.
Don Pierce (b. 1874) received his medical degree from Barnes Medical College in 1901 and was licensed in Missouri in 1901. He practiced in Newark, Knox County, Missouri. (1906, 1914) and Gorin, Scotland County, Missouri (1921, 1931). In 1942, he lived in Wyaconda, MO, but was not in practice. Sources: Polk's Medical Register and Directory of North America, 1906 & 1914; Amer. Med. Directory, 1921. 1931, 1942
From the description of Don Pierce lecture notes, Barnes Medical College, 1899-1900 1899-1900 (Washington University in St. Louis). WorldCat record id: 220969797