He was appointed Head of Department , and holder of the Pender Chair , in 1980 .
Ash joined the Department of Electronic and Electrical Engineering at University College in 1963 , became a full professor in 1967 .
Ash was appointed Head of Department , and holder of the Pender Chair , in 1980 .
Ash joined the Department of Electronic and Electrical Engineering at University College in 1963 , became a full professor in 1967 .