Complex sentence: He studied physics (BSc Hons 1961) and a PhD (1965) in metallurgy at the University of Liverpool and, prior to his retirement, worked as a mathematical scientist for the English nuclear power industry.
Split into simpler sentences: He studied physics (BSc Hons 1961) and earned a PhD (1965) in metallurgy at the University of Liverpool. Prior to his retirement, worked as a mathematical scientist for the English nuclear power industry.