Bachelor, Andhra U., 1955; Master of Arts, Karnatak U., Dharwar, India, 1957; Doctor of Philosophy, Harvard University, 1965.
Associate professor statistics, U. Rochester, New York, 1967-1974; professor statistics, U. Rochester, New York, since 1975. Statistical consultant Eastman Kodak Company, Rochester, United States Bureau Census, Washington, National Center for Health Statistical, Hyattsville, Maryland., unites states department Energy, Washington.
Fellow American Statistical Association. Member International Statistical Association.
Married Kanakadurga Ayyagari, August 21, 1970. Children: Annapurna, Gopal S.