Background
Clifford, Sylvester was born on May 17, 1929 in Forgan, Oklahoma, United States. Son of William St. Ledger and Ella Opal (Street) Clifford.
Clifford, Sylvester was born on May 17, 1929 in Forgan, Oklahoma, United States. Son of William St. Ledger and Ella Opal (Street) Clifford.
Bachelor, Northwestern State College, Alva, Oklahoma, 1951. Master of Arts, University Denver, 1957. Doctor of Philosophy, University Denver, 1959.
High school teacher, Hazelton, Kansas, 1951-1952; high school teacher, Anthony, Kansas, 1952-1953, 55-57; executive director, Wallace School for Brain Damaged Children, Denver, 1957-1961; faculty, U. South Dakot, Vermillion, 1961-1994; professor, department chairman communication, U. South Dakot, 1969-1980; Harrington lecturer, U. South Dakot, 1976; director Speech and Hearing Center, U. South Dakot, 1961-1980; retired, 1994; professor emeritus, U. South Dakot, Vermillion, since 1994. Consultant South Dakot Department Public Instruction, 1962-1994, North Brown Multi-District Special Correction Program, 1970-1980.
Board directors South Dakota Easter Seal Society, Center for Development Disabilities of University South Dakota Served with Army of the United States, 1953-1955. Fellow American Speech and Hearing Association. Member American Association of University Professors, South Dakota Council Higher Education (special committee since 1986, president 1992-1993), American Cancer Society, Association for Retarded Children, Nu Voices Club South Dakota, International Communications Association, South Dakota Speech and Hearing Association (president 1966-1967, 89-90, honors 1983, 94, Outstanding Clinical Achievement award 1984), Rotary (Paul Harris fellow 1990).
Married Betty Alice Gregory, June 10, 1949. Children: Bradford William, Opal Alice.