He has been at UCSD since 1991 and was appointed chancellor in 1996 , after spending 22 years with AT & T Bell Labs , where he worked on superconductors and other materials .
Dynes has been at UC San Diego since 1991 after spending 22 years with AT & T Bell Labs , where he worked on superconductors and other materials .
a model of behavior composed of a finite number of states, transitions, and actions