He attended public schools in Los Angeles and Inglewood, where he was later an employee at a bank, from 1935 to 1942.
Wilson served as a Staff Sergeant in the United States Army from June 1942 to December 1945, where he gained experience overseas in the European Theater of Operations. He returned home and in 1945 opened his own insurance agency in Los Los Angeles He was elected as a Democrat to the United States House of Representatives, where he served from January 3, 1963, to January 3, 1981.
On June 10, 1980, Wilson was censured by the House of Representatives, for financial misconduct stemming from the Koreagate scandal.
Wilson was defeated in the 1980 primary election for the Democratic Party nomination to the Ninety-seventh Congress, when he was defeated by former California Lieutenant Governor Mervyn M. Dymally. Wilson is, to date, the last white Congressman to represent the 31st District.
This loss was due in part due to the vote of censure by the House of Representatives. Wilson resided in Tantallon, Maryland, towards the end of his life, and died in Clinton, Maryland, on July 21, 1984.
He is interred at Inglewood Park Cemetery, in Inglewood, California.
Member California Assembly, 1954-1962, Chairman of Commission on revenue and taxation. Member 88th-96th Congresses, 31st California District. Served with Army of the United States, 1942-1945.
Member American Legion.
Married Hyun Ju Chang. Children: Stephen C., Donald H., Kenneth A., William J.