Dr,, William C. Zwick was born in Milwaukee, Wisconsin in 1908. The family moved to Dickinson, North Dakota soon after his birth and his boyhood was spent in western North Dakota.
After graduation from high school he enrolled at the University of Minnesota and completed the course leading to a degree in Dentistry.
Dr. Zwick married Guida Porter of Belfield, North Dakota. She was the daughter of Thomas and Emma porter, Billings county pioneers.
To the union of William and Guida were born three sons,, Dwight, Grant and Kent. All sons attended the public schools of Valley City and all are graduates of the University of North Dakota.
Dr. Zwick practiced Dentistry at Litchville, North Dakota from 1932 through 1942. He then spent two and one-half years in the United States Army in the Medical Corps.
After his discharge, the family moved to Valley City where he engaged in the practice of Dentistry until his death on August 9, 1958.
Source: Barnes County History 1976 Page 281