Wyche was born in Plain Dealing in northern Bossier Parish next to the Arkansas state line to James Egbert Wyche (1898-1976) and the former Helen Friend Phillips (1902-1974).His paternal grandparents were John Hamiter Wyche (1871-1904) and the former Nancy Roberta Meares (1872-1973).
Wyche graduated from Benton High School and attended Louisiana State University in Baton Rouge for a year prior to enlisting in the United States Army near the end of World World War World War II
He served from 1969 to 1988 with jurisdiction in both Bossier and Webster parishes in the northwestern portion of his state. After his military commitment, he graduated from Louisiana State University and received his Juris Doctor degree in 1950 from the Louisiana State University Law Center. He returned to the Army for service in the Korean War.
Thereafter, Wyche reached the rank of commander in the United States Naval Reserve.
Wyche practiced law in Bossier Parish and for a time was an assistant district attorney for the 26th Judicial District. A Democrat, Wyche was appointed effective February 14, 1969, by Governor John McKeithen as the judge of Division A of the 26th District upon the resignation of O. East. Price, who was elected to the Louisiana Circuit Court of Appeal for the Second District, based in Shreveport.
Wyche was first elected to the district court the following year in 1970. He never faced an opponent for the office.
Upon his retirement in 1988, Judge Wyche was succeeded by Dewey East. Burchett, Junior.
Thereafter, Wyche continued to hold temporary vacancies on the 1st and 26th district courts as well as the Circuit Court of Appeal for the Second District. Judge Wyche also served on the judicial councils of the Louisiana Supreme Court and the Louisiana Law Institute.
