Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456 Gary Bishop
I am a retired Professor of Computer Science at the University of
North Carolina at Chapel Hill. My students and I develop software designed to enable people with
disabilities to participate fully in education, literacy and play.