Charles Edward Oswalt, Jr., physician, was born in Fort Worth on July 16, 1915. He was an honor graduate of Texas Christian University in 1936 and a graduate of the University of Texas Medical School, Galveston, in 1940. He interned at City-County Hospital in Fort Worth and at St. Mary's Infirmary, Galveston, in 1942. During World War II he served as a naval flight surgeon and became a lieutenant commander. He married Eugenia Dawson on July 20, 1942. In 1946, after his military service was completed, the couple settled in Fort Stockton. The Oswalts had five children.
Oswalt was a member of Alpha Omega Alpha Medical Honor Society and the Texas Medical Association Board of Councilors. He served as president of Texas Academy of General Practice in 1958–59 and received the Outstanding Leadership Award from that organization. He was a fifteen-year member of the Selective Service Board and belonged to the Lions Club, Chamber of Commerce, and Jaycees. He was a member of the First Methodist Church of Fort Stockton. Dr. Oswalt died on May 29, 1969, in Baylor Medical Center Hospital in Dallas.