Calvin was born April 18, 1949, in Odessa to Walter and Lena Wallace. He was a Sergeant in the U.S. Marine Corps, serving in Vietnam, and a recipient of numerous awards including the Purple Heart. After completing his military service, Calvin joined the Fort Worth Police Department in 1969, achieving rank of Sergeant and retired after 30 years of service. He later became a truck driver for several years.
He married Tammy Gregory in April 2009. His hobbies included flying private airplanes, riding motorcycles and fishing. He was also a Master Mason of Julian Feild Lodge No. 908 in Fort Worth.
Calvin was preceded in death by his father.
Survivors: Wife, Tammy Wallace; mother, Lena Wilson; stepfather, Bill Wilson; children, Kristi, Walter and Paul Wallace, Shirley Myslinski; sister, Denice Wallace; several grandchildren; extended family; and his beloved cat, Tinky.