Complex sentence: Ash joined the Department of Electronic and Electrical Engineering at University College London (UCL) in 1963, became a full Professor in 1967 and was appointed Head of Department, and holder of the Pender Chair, in 1980.
Split into simpler sentences: Ash joined the Department of Electronic and Electrical Engineering at University College in 1963, became a full professor in 1967. He was appointed Head of Department, and holder of the Pender Chair, in 1980.